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I bought these for a specific project that needed some support in the mill. I figured for what I was doing they only had to be close so cheap was fine. To my surprise,I must have gotten a good set because they are really close end for end. Thickness was only off by .0003 or three ten thousanths of an inch on the long end and about .0002 over the 2" dimension. They are close enough for everything I am going to do with them and better than I expected. I could have spent five times the money and only gotten a little more accuracy. Very good for the money and very handy on the milling machine.
Verified purchase: Yes | Condition: New
I was hesitant at first to purchase these 123 blocks as I have gotten some before and you could see right of away that they were of very poor quality but I needed a new set and decided to get these. The price on these was not much higher from the previous set and thus the hesitation to purchase but when I received them... WOW! I'm very pleased with everything about these blocks, they have a nice finish, all corners and edges are all smooth and linear, and all holes are even and no rough edges anywhere but most important still, the measurements are dead on with the exception of width on one at .0004. All measurements are well within where I need them to be. Very good quality for an amazing price.
Verified purchase: Yes | Condition: New
I don't make a habit of bad mouthing products unless there is a genuine problem. I purchases two pair of matched 1-2-3 blocks that state they were accurate to .0002" but in reality, they were 5x out of specification than the advertised accuracy. I found consistent milling errors across the 3" surface of more than .001" on (4) different Starrett depth gauges that all repeat properly and read VERY accurately. I had to hand lap the blocks into precise tolerance as needed, hence the blocks are no longer 1x2x3 inch. Labor cost far exceeded the cost of the blocks themselves. Do yourself a favor and pay the money for good quality somewhere else. These blocks were just way out from specification and a waste of my valuable time.
Verified purchase: Yes | Condition: New
Starting out I was skeptical because it’s eBay and it was cheap. However I am extremely pleased with the product. I had our QA guy check them over with our state of the art equipment, the first block was “ dead nuts “ on every dimension including Hole locations. The second was only 0.00015 oversized in the 3 inch dimension. I highly recommend buying a set
Verified purchase: Yes | Condition: New
These are the size and weight advertised. I purchased these to help hold wooden kit walls flat and level while the glue dries. Not only are the square which helps with wall angles, they are plenty heavy to hold down walls while drying. I will be buying another set or two.
Verified purchase: Yes | Condition: New
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