ITEM NAME:4pc 1/4" 3/8" 1/2" Drive Socket Ratchet Adapter Converter Reducer Tools Set OH.4pcs Convertor Set. This set allows you to mix and match drive sizes for your sockets, ratchet handles, extension bars and other accessories. 1/2 "to 3/8" - (12.5mm square hole to 9.5mm square head) Length: 36mm.
