Posted August 25, 2022Updated August 25, 2022Keyway may be too small for some machinesThe keyway in these collets was too small for my router so I have a 0 .1 inch deep cut with a carbide bur. They work, it just needs to be changed.ProsIncludes 3, 4, 5, 6, 8, 10, 12, 14, 18 and 20mmConsSome errorsΒ 0Β 0Β 0