【PACKAGE CONTENTS】: Includes 2 x 1/2 square to 1/4 hex socket adapters, enough for daily use. 【HIGH QUALITY MATERIAL】: The wrench adapter a shock is made of high quality chrome vanadium steel, with oxide skin treatment to improve surface oxidation resistance, anti-corrosion and anti-rust, high hardness, strong impact resistance, and can be used for a long time. 【SECURE DESIGN】: The adapter kit is designed to provide a secure locking system for existing tools and provide extra length to reach a variety of hard to reach spaces . Specially machined to securely mount hand screwdrivers, drills or impact wrenches. 【EASY INSTALLATION】: The impact adapter is easy to install and can be done in a minute without any additional tool. The hex head adapter securely attaches to any 1/4" hex shank bit such as blade bits, screwdrivers, electric wrenches, ratchets, impact wrenches, etc. /p> 【APPLICATION】: The quick release converter can easily replace the drill bit and socket, with stable clamping