•8-piece socket bit set for light work and steel frame fastening
•Fall-prevention “Impregnable” design keeps broken bits safely inside the socket
•Fits 1/4" hex chucks, including KTC cordless impact drivers
•Power-fit design protects bolt and nut edges for reliable torque
•Versatile sizes 10–21mm, with short, long, and dodecagonal options for scaffolding and cable racks