Light duty keyed drill chuck, power tool accessory
Capacity:  0.6-6.5mm
Mount: 3/8-24UNF, B10 available
Application: Recommended for impact electric drills and kinds of AC&DC electric drill.
Features:
1.High precision threaded and tapered tightly mounts on the tools.
2.Jaw are specifically engineered for tight tolerance production drilling.
3.Super precision and durable.