Amadeal 18 Piece ER32 Imperial 3/32"- 3/4" Collet Set. Collet sizes - 3/32, 1/8, 3/16, 7/32, 1/4, 5/16, 11/32, 3/8, 13/32, 7/16, 1/2, 17/32, 9/16, 5/8, 21/32, 11/16, 23/32, 3/4". Collets close down by 1mm.
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