General description The 3 Set 1.5-10mm 1/16 Inch - 3/8 Inch Capacity Key Drill Chuck Wrench Converter is a high-quality, brand new tool designed for durability and strong impact resistance. This set includes a sturdy 3-jaw keyed chuck that securely holds a wide range of twist drills and step drills with shank sizes from 1/16 inch to 3/8 inch. The 1/2-inch square socket adapter allows you to easily convert an electric impact wrench into a drill, enhancing your versatility on the job. Technical specifications Chuck capacity: 1.5-10mm Shank type: 1/2-inch square socket adapter Thread: 3/8-24UNF Color: Black Material: Metal Measurement allowed error: +/- 1-3 cm Compatibility and accessories Includes 3 x Drill Chuck Includes 3 x 1/2 Inch Square Socket Adapter Includes 3 x Wrench Usage The chuck is designed for use with a 1/2-inch impact wrench, allowing you to lock and release bits efficiently. Please note that the chuck cannot be used counterclockwise. Other information Light reflection