PACKAGE CONTENTS: Includes 1 1/2 square to 1/4 hex socket adapters, enough for daily use. HIGH QUALITY MATERIAL: The impact wrench adapter 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 resistance to shocks, and can be used for a long time. SAFE DESIGN: The adapter kit is designed to provide a secure locking system for existing tools and provide additional 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 one minute without any other tools. The hex head adapter securely attaches to any 1/4" hex shank bit such as blade bits, screwdrivers, power wrenches, ratchet wrenches, impact wrenches, etc.< /p> APPLICATION: The quick release converter can easily replace the drill bit and socket, with stable clamping force, easy operation, and can be used with power tools. For opening glass, tiles, ceramics and other hand drill products. Ideal for mechanics, engineers, carpenters or DIY enthusiasts.