4-piece ratchet adapter set – 1/2" to 3/8", 3/8" to 1/4", 3/8" to 1/2", 1/4" to 3/8" – 60HRC hardness for heavy-duty use

General Description This ratchet adapter set includes four pieces that allow you to mix and match drive sizes for your sockets, ratchet handles, extension bars and other accessories. Technical Specifications Adapters included: 1/2" to 3/8" (12.5mm square hole to 9.5mm square head, length: 36mm) Adapters included: 3/8" to 1/4" (9.5mm square hole to 6.3mm square head, length: 27mm) Adapters included: 3/8" to 1/2" (9.5mm square hole to 12.5mm square head, length: 35mm) Adapters included: 1/4" to 3/8" (6.3mm square hole to 9.5mm square head, length: 26mm) Hardness: 60HRC Height: approximately 26mm, 27mm, 35mm, 36mm Contents: 4 pieces