Features 1、Made of high quality material for durability and toughness. 2、Can reduce the use of longer tools, which can reduce costs and improve efficiency. 3、Fine workmanship, good elasticity, high accuracy. 4、Durable to use, straight nut tightening, high rigidity and strong clamping force. 5、Mainly used in all kinds of drilling and milling machines. Specification Features: 1. Made of high quality material for durability and toughness. 2. Can reduce the use of longer tools, which can reduce costs and improve efficiency. 3. Fine workmanship, good elasticity, high accuracy. 4. Durable to use, straight nut tightening, high rigidity and strong clamping force. 5. Mainly used in all kinds of drilling and milling machines. Specification: Condition: 100% Brand New Item Type: R8-ER40 Collet Set Collet Size: ER40-1/2, ER40-1/4, ER40-3/4, ER40-1/8, ER40-3/8, ER40-5/8, ER40-7/8, ER40-3/16, ER40-5/16, ER40-7/16, ER40-9/16, ER40-13/16, ER40-15/16, ER40-11/16, ER40-1" Package List: 1 * R8-ER40 Collet Chuck Holder 15 * Chuck 1 * Wrench Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List