General description The 1.5-10mm Key Drill Chuck for Air Impact Wrench Converter is a high-quality, brand new tool designed to enhance the functionality of your 1/2-inch impact wrench. This sturdy chuck features specially hardened key parts that increase durability and provide strong impact resistance. The classic 3-jaw keyed chuck securely holds a wide range of twist drills and step drills with shank sizes from 1/16-inch to 3/8-inch, allowing you to lock and release bits easily while working. Technical specifications Shank Type: 1/2-inch Square Socket Chuck Capacity: 1.5-10mm Adapter Thread: 3/8-24UNF Color: Black Material: Metal Measurement Error: +/- 1-3 cm Compatibility and accessories Compatible with 1/2-inch impact wrenches Package Contents: 2 x Drill Chuck, 2 x 1/2 Inch Square Socket Adapter, 2 x Wrench Usage The chuck is designed for use with a 1/2-inch impact wrench to convert it into a drill. Please note that the chuck can only be used in a clockwise direction.