29 Pcs ER40 Precision Spring Collet Set Milling Lathe CNC Chuck Bit Holder Tool. 29pcs ER40 collets (1/8inch- 1 inch) for CNC machine use. Type: Machine Tool Accessories. Applicable machine: CNC machine. 29 PCS PRECISION ER40 COLLETS. 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. Big clamping force and wide clamping range. T might have some scratches during the transportation. For Widely used in boring, milling, drilling, tapping, CNC, sculpture and other processing operations, also can be supported used with the holder of CNC tool. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it’s non-workdays, please kindly be patient and wait till Monday. Creative Design, Durable Material, Beautiful Appearance. Do not send to Brazil. Stable characteristic, high reliability. Transportation does not include. 29 PCS PRECISION ER40 COLLETS including. 1/8″, 5/32″, 3/16″, 7/32″, 1/4″, 9/32″, 5/16.