Input Drive Size: 3/4" Drive Shape: Square Length: 90mm Type: 12 Point Deep Socket Output Size: 31mm Opening: 12pt Product Dimension (Refer Line Drawing Image): D1 Size: 43.5mm D2 Size: 38mm H1 Size: 32mm H2 Size: 62mm L Size: 90mm 3/4 Sq. Dr. Socket 31mm 12 point Length 90mm