1、GOOD CONVERSION ACCESSORY: 3 different practical tools are used for installing hex tools such as pneumatic screwdriver, electric screwdriver, pneumatic drill, and manual screwdriver. This is a good conversion accessory 2、FOR ORDINARY AND IMPACT DRIVES: Super heat treated chrome vanadium steel, suitable for ordinary and impact drives. Durable, easy to use, lightweight, and quick to connect to standard hex nut drivers, percussion hole saws, spade bits, etc. 3、COMPATIBLE WITH FAST REPLACEMENT: 105° angle 1/4in hex drill bit adapter is compatible with fast replacement, suitable for most electric drills, rechargeable drills, manual wrenches and screwdriver chucks 4、QUICK RELEASE LEVER: 1/4in hex shank magnetic extension chuck adapter quick release lever hex socket screwdriver drill chuck suitable for electric, pneumatic screwdrivers and other power tools 5、COLOR SOCKET ADAPTER IMPACT SET: 3Pcs of color socket adapter impact set contain 1/4in drive adapter, 3/8in drive adapter, 1/2in drive adapter. Connect the impact socket, socket wrench, socket drill and driver socket to the cordless power supply