ITEM NAME:1 Set MT2 B10 Chuck Collet Chuck Self Tighten Keyless Drill Chuck for Drill J6V2 1 Set MT2 B10 Chuck Collet Chuck Self Tighten Keyless Drill Chuck for Drill J6V2 Self-tightening key-less feature. Suitable for CNC Lathe/milling, drill press. High precision, high gripping force, high reliability and stability. Unique design, suitable for most of your usage needs. Name:MT2 B10 Chuck Collet Use:Chuck Machine colour:Silver + black Material:steel Size:0.5-6mm Package Contents: 1 * Drill Chuck 1* MT2 shank