Capacity Range - 3-16mm(1/8-5/8 Inch); Mount Thread: 1/2-20UNF
Product Contains - The SDS-Plus bits, 1/4" hex shank lock key, 1/2 inch socket square female adapter, hex dandle converter and 2pcs 16mm key wrenches; This Converter Conversion Tool can easy to transform power impact wrench to a drill or grinder in seconds
Class 3-Jaw Design - Class 3-jaw design allows you to effortlessly hold round-shank drill bits from 3mm to 16mm securely
Durability - The chuck is high precision threaded and tapered tightly with rust-resistant Cr-coated body and sleeve electrophoretic enameling coating. All the extensions are applied with rust-proof finishing for extended service life
Note - The product can NOT be used counterclockwise. It must be transferred hammer drill stalls when use the hammer chuck, other stalls will lead chuck broken