Lock Your Accessory More Stable Compared to Keyless Drill Chuck
Easily Lock & Release Hex Head Drill Bits, Round Shank
High Speed Cutting
Finishing & Hard Alloy Application
Induction Hardened & Low Maintenance Cost
Sturdy Build & Easy to Operate
Loosening One Nut & Tightening the Other to Adjust the
High Hardness, Heat Resistance & Wear Resistance