Fits most corded or cordless drills, robust internal hexagonal sleeve. 10 different sizes: 6 mm, 7 mm, 8 mm, 10 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, 19 mm. The product is easy to install and remove, and won't easily fall out during use. Rustproof, non-slip, high occlusion, tight, and flexible. Easy installation and strong magnetism: Quick tightening and this set of magnetic sockets is indispensable with strong magnetism for assembly and disassembly in both private and professional settings. Applicable for installation in hexagonal tools, such as pneumatic screwdrivers, electric screwdrivers, pneumatic drills, electric drills, pistols, manual screwdrivers, etc.