Industrial 22513 Six Point Flank Drive Socket from Sonic is a 13mm, six-point socket designed for a 3/8" drive. The flank-drive design engages the sides of six-point fasteners, offering a robust grip when used with a 3/8" drive ratchet in mechanic and automotive tooling tasks. It is intended for automotive assemblies and other mechanical work that require a 13mm fastener size and standard 3/8" drive tools.
