ITEM NAME:4pcs Sleeve Variable Square Adapter Large In The1/2 3/8 1/4 Conversion Head #gib Store Home Promotion Hot Item Add to Fav.4pcs Convertor Set. 4pcs 1/4 3/8 1/2 Drive Socket Adapter Converter Reducer Air Impact Craftsman Socket Wrench Adapter Hand Tools Set BI115+. 1/2 "to 3/8" - (12.5mm square hole to 9.5mm square head) Length: 36mm.
