Input Drive Size: 5/8" Drive Shape: Square Length: 47.5mm Type: 6 Point Socket Output Size: 21mm Opening: 6pt Product Dimension (Refer Line Drawing Image): D1 Size: 32.8mm D2 Size: 35mm H Size: 15mm L Size: 47.5mm 5/8 Sq. Dr. Socket 21mm 6 point Length 47.5mm