Input Drive Size: 3/4" Drive Shape: Square Length: 100mm Type: 6 Point Deep Socket Output Size: 55mm Opening: 6pt Product Dimension (Refer Line Drawing Image): D1 Size: 77.5mm D2 Size: 54mm H1 Size: 59mm L Size: 100mm 3/4 Sq. Dr. Socket 55mm 6 point Length 100mm