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    1. eBay
    2. Business & Industrial
    3. CNC, Metalworking & Manufacturing
    4. Metalworking Inspection & Measurement
    5. Metalworking Squares
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    Metalworking Squares

    Side Refine Panel

    Shop by Category

    • Metalworking Inspection & Measurement
    • Squares
    • Calipers
    • CMM Machines & Comparators
    • Gage Blocks & Spacers
    • Indicators
    • Inspection Gages
    • Magnetic Holders
    • Micrometers
    • Protractors
    • Rules
    • Surface Plates
    • Other Metalworking Inspection & Measurement
    • Brand

      • Brown & Sharpe
      • Lufkin
      • Mitutoyo
      • Starrett
      • Unbranded
    • Item Type

      • Combination Square
      • Double Square
      • Machinist Bevel Edge Square
      • Measuring Square
      • Try Square
    • Blade Length

      • 2.0 in
      • 7.0 in
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    Shop by Item Type

    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Item Type

    • Combination Square

      Combination Square

    • Machinist Bevel Edge Square

      Machinist Bevel Edge Square

    • Combination Square Head

      Combination Square Head

    • Double Square

      Double Square

    • Measuring Square

      Measuring Square

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      Try Square

    • Combination Square Blade

      Combination Square Blade

    Shop by Brand

    Showing slide {CURRENT_SLIDE} of {TOTAL_SLIDES} - Shop by Brand

    • Starrett

    • Brown & Sharpe

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    • Best Match
    • Time: ending soonest
    • Time: newly listed
    • Price + Shipping: lowest first
    • Price + Shipping: highest first
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    List View

    1-48 of 1,508 Results

    • vintage Starrett 12" Combination Square Protractor, Center

      vintage Starrett 12" Combination Square Protractor, Center

      C $66.82
      20 bids · Ending Saturday at 16:50 EST1d 13h
    • MACHINISTS 1-1/2" BEVEL EDGE SQUARE

      MACHINISTS 1-1/2" BEVEL EDGE SQUARE

      C $37.81
      C $29.20 shipping
    • STARRETT NO. 20 SQUARE ,  1"

      STARRETT NO. 20 SQUARE , 1"

      C $119.76
      C $25.66 shipping
    • 4 Pc Machinist Combination Square Set 12" Rule Center Protractor Head, CS124, EE

      4 Pc Machinist Combination Square Set 12" Rule Center Protractor Head, CS124, EE

      C $75.58
      C $40.12 shipping
      61 watching
    • iGaging 4" + 6" Double Square Set 4R Steel Blade High Precision Woodworking

      iGaging 4" + 6" Double Square Set 4R Steel Blade High Precision Woodworking

      5 out of 5 stars
      (3)3 product ratings - iGaging 4" + 6" Double Square Set 4R Steel Blade High Precision Woodworking
      C $41.54
      Was: C $54.21
      C $15.99 shipping
      179 sold
    • Starrett 12" Combination Square Set (4 Piece)

      Starrett 12" Combination Square Set (4 Piece)

      C $76.91
      2 bids · Ending 10 Mar at 20:20 EST5d 17h
    • SHARS 10 X 6 X 1" GRANITE SURFACE ANGLE PLATE NEW %

      SHARS 10 X 6 X 1" GRANITE SURFACE ANGLE PLATE NEW %

      C $107.73
      136 sold
    • STARRETT MACHINIST COMBINATION SQUARE SET #435-12-4R - EXCELLENT

      STARRETT MACHINIST COMBINATION SQUARE SET #435-12-4R - EXCELLENT

      C $113.45
      C $33.38 shipping
      1 bid · Ending 8 Mar at 23:10 EST3d 19h
    • Starrett Combination Square Head

      Starrett Combination Square Head

      C $56.73
      C $27.55 shipping
    • Magnetic Cylinder Square

      Magnetic Cylinder Square

      C $283.67
      or Best Offer
    • 💥 Vtg Starrett No.439,Builders Combination Square,18"Blade~NICE😎😎😎#ST3.3.21

      💥 Vtg Starrett No.439,Builders Combination Square,18"Blade~NICE😎😎😎#ST3.3.21

      3 out of 5 stars
      (1)1 product ratings - 💥 Vtg Starrett No.439,Builders Combination Square,18"Blade~NICE😎😎😎#ST3.3.21
      C $441.20
      C $61.50 shipping
    • Vintage LS Starrett Combination Square With Center Finder Head

      Vintage LS Starrett Combination Square With Center Finder Head

      C $23.97
      C $29.33 shipping
      14 bids · Ending 7 Mar at 22:13 EST2d 18h
    • Mitutoyo 12” combination square head-hardened 180-102

      Mitutoyo 12” combination square head-hardened 180-102

      C $70.60
      or Best Offer
    • FastCap Precision Machinist Style Magnetic Micro Square MAG MICRO SQUARE

      FastCap Precision Machinist Style Magnetic Micro Square MAG MICRO SQUARE

      C $24.58
      C $20.61 shipping
      220 sold
    • VINTAGE STARRETT NO. 20 HARDENED EDGE SOLID STEEL 4 1/2" SQUARE BOX

      VINTAGE STARRETT NO. 20 HARDENED EDGE SOLID STEEL 4 1/2" SQUARE BOX

      C $40.34
      C $44.29 shipping
      6 bids · Ending 7 Mar at 21:55 EST2d 18h
    • Machinist Square 90º Right Angle Engineer's 3- Set DIN Standard 2" 4" 6" iGaging

      Machinist Square 90º Right Angle Engineer's 3- Set DIN Standard 2" 4" 6" iGaging

      C $44.06
      C $31.82 shipping
      1,435 sold
    • Brown & Sharpe 558 Cylinder Square

      Brown & Sharpe 558 Cylinder Square

      C $819.49
      14 watching
    • A. A. Gage Div. Magnetic Cylindrical Square

      A. A. Gage Div. Magnetic Cylindrical Square

      C $409.74
    • Starrett Center Head for Combination Square Tool C33-1224

      Starrett Center Head for Combination Square Tool C33-1224

      5 out of 5 stars
      (1)1 product ratings - Starrett Center Head for Combination Square Tool C33-1224
      C $37.82
      C $34.83 shipping
    • STARRETT No.466 ANGLE GAGE

      STARRETT No.466 ANGLE GAGE

      C $50.42
      C $24.41 shipping
    • NOS Starrett # 20, 20-4 1/2 Machinist's and Toolmaker's Precision Square US Made

      NOS Starrett # 20, 20-4 1/2 Machinist's and Toolmaker's Precision Square US Made

      C $63.02
      C $31.51 shipping
      0 bids · Ending 8 Mar at 22:00 EST3d 18h
    • Brown And Sharpe No.552 Adjustable Diemakers Square

      Brown And Sharpe No.552 Adjustable Diemakers Square

      C $107.16
    • MCS CYLINDER SQUARE 3" DIAMETER X 6" HIGH USA

      MCS CYLINDER SQUARE 3" DIAMETER X 6" HIGH USA

      C $157.59
      11 watching
    • Diemaker Square Set w/Bonus Toolmaker 3 in. Solid Square - L.S. Starrett 453 

      Diemaker Square Set w/Bonus Toolmaker 3 in. Solid Square - L.S. Starrett 453 

      C $276.10
    • PAIR NEW USA MADE 4'' x 3"  MACHINIST SQUARE SPIEVAK

      PAIR NEW USA MADE 4'' x 3" MACHINIST SQUARE SPIEVAK

      C $42.02
      C $31.95 shipping
      13 watching
    • Brown & Sharpe Cylinder Square, Model 558, Case, Very Nice

      Brown & Sharpe Cylinder Square, Model 558, Case, Very Nice

      C $857.31
      C $67.64 shipping
    • 4" High Precision DOUBLE SQUARE 4R Steel Blade Machinist Engineer Carpenter

      4" High Precision DOUBLE SQUARE 4R Steel Blade Machinist Engineer Carpenter

      C $21.37
      Was: C $27.74
      C $19.62 shipping
      621 sold
    • STARRETT NO.14 - 2 1/2” DOUBLE SQUARE

      STARRETT NO.14 - 2 1/2” DOUBLE SQUARE

      C $65.56
      C $37.26 shipping
    • Starrett Combination Square  12" blade Center Head Protractor 4R NICE red case

      Starrett Combination Square 12" blade Center Head Protractor 4R NICE red case

      C $201.72
      C $32.84 shipping
      10 watching
    • 4 Pc Precision Machinist Square Set Sizes 2", 3", 4", & 6"  Squares, Ozar ES4 EE

      4 Pc Precision Machinist Square Set Sizes 2", 3", 4", & 6" Squares, Ozar ES4 EE

      C $37.76
      C $42.46 shipping
      187 sold
    • New Shinwa Miter Carpenter Square Metric Stainless Standard Model 62081 Japan

      New Shinwa Miter Carpenter Square Metric Stainless Standard Model 62081 Japan

      5 out of 5 stars
      (1)1 product ratings - New Shinwa Miter Carpenter Square Metric Stainless Standard Model 62081 Japan
      C $77.54
      Free shipping
    • Vintage Brown & Sharpe 12" Rule Protractor Square Center Finder Hardened USA

      Vintage Brown & Sharpe 12" Rule Protractor Square Center Finder Hardened USA

      C $94.54
      C $50.42 shipping
      0 bids · Ending 7 Mar at 1:36 EST1d 22h
    • STARRETT NO. 4RGRAD (4R GRAD) 12" COMBINATION SQUARE, CENTERING HEAD, PROTRACTOR

      STARRETT NO. 4RGRAD (4R GRAD) 12" COMBINATION SQUARE, CENTERING HEAD, PROTRACTOR

      C $189.11
      or Best Offer
    • PRECISION ENGINEER'S (MACHINIST) SQUARES 4PC SET

      PRECISION ENGINEER'S (MACHINIST) SQUARES 4PC SET

      C $35.49
      Was: C $37.76
      C $25.91 shipping
      17 watching
    • Vtg MITUTOYO Combination Set ~ 180-905 CMST2 - 12A ~ Made in Japan ~ NOS

      Vtg MITUTOYO Combination Set ~ 180-905 CMST2 - 12A ~ Made in Japan ~ NOS

      C $315.17
      C $44.59 shipping
      5 watching
    • 1.5" Center Square Centering Tool 1-1/2" Machinist Center Finder Measuring Gauge

      1.5" Center Square Centering Tool 1-1/2" Machinist Center Finder Measuring Gauge

      C $19.29
      C $29.30 shipping
    • Vintage Craftsman DJ 12��� Combination Square Level USA

      Vintage Craftsman DJ 12” Combination Square Level USA

      C $27.72
    • 18.5” Precision cylindrical square. In Wooden Box. Excellent! 2.25” Diameter

      18.5” Precision cylindrical square. In Wooden Box. Excellent! 2.25” Diameter

      C $440.00
      C $98.84 shipping
      or Best Offer
      12 watching
    • Sumner Multi T Square For Pipefitters + Plumbers

      Sumner Multi T Square For Pipefitters + Plumbers

      C $94.49
      13 watching
    • Starrett No. 13 Double Square 2pcs Head & 4 inch ruler  works great

      Starrett No. 13 Double Square 2pcs Head & 4 inch ruler works great

      C $81.95
      C $28.39 shipping
      or Best Offer
      17 watching
    • BLACK GRANITE STRAIGHT EDGE GRADE A-+OR- .000050"

      BLACK GRANITE STRAIGHT EDGE GRADE A-+OR- .000050"

      C $466.46
      59 watching
    • Machinist square 2 1/2"

      Machinist square 2 1/2"

      C $23.94
      C $27.35 shipping
      or Best Offer
    • Starrett C434-12-4R Combination Square Set 4R Chrome Blade Case USA Tool

      Starrett C434-12-4R Combination Square Set 4R Chrome Blade Case USA Tool

      C $201.71
      C $43.56 shipping
      or Buy It Now
      0 bids · Ending 9 Mar at 19:30 EST4d 16h
    • Starrett No. 20 Machinist Steel Square - 5 1/2"

      Starrett No. 20 Machinist Steel Square - 5 1/2"

      C $44.11
    • STARRETT 9" NO. 20 SQUARE

      STARRETT 9" NO. 20 SQUARE

      C $94.54
      C $35.29 shipping
    • 6" Machinist Steel Square Design Layout 90° Angle for Hobby Crafts Model Jewelry

      6" Machinist Steel Square Design Layout 90° Angle for Hobby Crafts Model Jewelry

      4.5 out of 5 stars
      (20)20 product ratings - 6" Machinist Steel Square Design Layout 90° Angle for Hobby Crafts Model Jewelry
      C $16.20
      C $29.30 shipping
      Only 2 left
    • Moore & Wright No. 994 Protractor Bevel

      Moore & Wright No. 994 Protractor Bevel

      C $81.95
    • STARRETT 6" SQUARE CENTERING HEAD

      STARRETT 6" SQUARE CENTERING HEAD

      C $47.85
      C $16.10 shipping

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