ITEM NAME:C32-ER32 100L Chrome Straight Collet Chuck Holder Extension Rod CNC Milling C8F2 C32-ER32 100L Chrome Straight Collet Chuck Holder Extension Rod CNC Milling C8F2 Material: Chrome molybdenum alloy steel Accuracy: 0.01mm Hardening and hardening, the quality is impeccable. Color: silver + black Package included 1x Straight Collet Chuck Holder ( Not included Spanner)