【Perfect Connection】The product is easy to install and disassemble, features a unique recessed sleeve design for a firmer bite, and is not easy to fall off when used. Rustproof, non-slip, high occlusion, tight and flexible. 【screw base】Made of high quality steel with recessed sleeves. Fits most corded or cordless drills, robust hexagon socket sleeve. 【hexagon adapter】14 different sizes: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm. A wide range of sizes to meet your needs and perfectly match your tools. 【Easy installation】With an 80mm impact wrench socket, our products are more convenient to use for hard-to-reach nuts or bolts than other products. 【Applicable Use】Applicable for installation in these hexagon tools, such as pneumatic screwdrivers, electric screwdrivers, pneumatic drills, electric drills, manual screwdrivers, etc.