With every common size from T10 to T50 all on one storage rail, its compact size saves toolbox drawer space and is easy to carry along to the job.
Hardened carbon steel sockets have notched drive ends that lock onto your 3/8 in. drive ratchet, preventing them from sticking in fastener or falling off.
High-strength chrome vanadium steel bits are precisely milled for an exact fit in fastener head, eliminating extra play that could cause damage or stripping.