Its rubber and forms its own threads and doesn't matter if they are metric or standard or left or right hand. Once they are installed, they are snug and stable keeping air and (probably) rain out. The gray color renders them plenty inconspicuous. These probably fit a 10mm screw hole too.
Verified purchase: Yes | Condition: New
I have three Chef Choice knife sharpeners and the feet keep getting lost. These a hair larger than the original which makes it perfect.
Verified purchase: Yes | Condition: New
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