Genius Tools has a complete line of more than 900 hand sockets and accessories that range from '" to 1" drive, in SAE and metric sizes, with standard and deep lengths, 6 and 12 point. The tools consist of quality chrome vanadium and molybdenum steel, and feature a design that limits edge breakage and improves strength by avoiding direct contact on fastener and socket corners. The line of tools provides lifetime warranties against breakage and defects.