... collet 2.Made in spring steel and rang from 1-30mm 3.Precision:0.005mm to 0.015mm 4. ... 51.5,2.0,2.5,to 5YS0539ER1111.5181.0,1.5,2.0,2.5,3.0,to 7YS0540ER1617271. ... 5181/16,3/32,1/8,3/167/32,1/4YS0540ER1617271/16,3/32,1/8,3/167/32,1/4,5/16, ... 5/16,11/21,3/8,13/32,7/16,1/2,17/32,9/16,5/8YS0543ER3233401/16,3/ ... 5/16,11/21,3/8,13/32,7/16,1/2,17/32,9/16,5/8,21/32, ... 5/16,11/21,3/8,13/32,7/16,1/2,17/32,9/16,5/8,21/32, ...