Input Drive Size: 3/8" Drive Shape: Square Length: 48.5mm Type: 12 Point Universal Socket Output Size: 10mm Opening: 12pt Product Dimension (Refer Line Drawing Image): D1 Size: 14.5mm D2 Size: 19mm H Size: 8.8mm L Size: 48.5mm 3/8 Sq. Dr. Universal Socket 10mm 12 point Length 48.5mm