Bestgle 1/2-20UNF Mount 1.5-13mm Capacity Key Drill Chuck for Air Impact Wrench Converter Conversion Tool with Chuck Key and 1/2 Inch Socket Square Female Adapter

Bestgle 1.5-13mm Capacity 1/2-20UNF Mount Impact Drill Chuck with 1/2" Square Female Socket Adapter Heavy duty design, special quenching treated key parts increases durability, strong impact resistance. For use 1/2-inch impact wrench, 3/8-inch chuck allows you to lock and release bits to help keep you on task on the job.  Classic keyed 3-jaw design securely holds a wide range of twist drills and step drill bits with 1/16"-1/2" shank 1/2" Square female socket adapter can easily transform power impact wrench to a drill. Please Note:  The chuck can NOT be used counterclockwise! Specification: Material: Chrome Vanadium Steel Capacity: 1.5-13mm Mount: 1/2-20UNF Package Included: 1 × Drill Chuck 1 × 1/2" Square Female Socket Adapter 1 × Chuck Key