29 Pcs ER40 Precision Spring Collet Set Milling Lathe CNC Chuck Bit Holder Tool

  
ER40 (29Pcs) Collet Set imperial sizes High Precision CNC Spring Clamping Collets 29pcs ER40 collets (1/8inch- 1 inch) for CNC machine use Specifications: Type: Machine Tool Accessories Material: 40CR Applicable machine: CNC machine 29 PCS PRECISION ER40 COLLETS including: 1/8", 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 17/32", 9/16", 19/32", 5/8", 21/32", 11/16", 23/32", 3/4", 25/32", 13/16", 27/32", 7/8", 29/32", 15/16", 31/32", 1 Features: Select high-quality steel. Big clamping force and wide clamping range It might have some scratches during the transportation.