Input Drive Size: 3/4" Drive Shape: Square Length: 62mm Type: 12 Point Socket Output Size: 1 5/8" Opening: 12pt Product Dimension (Refer Line Drawing Image): D1 Size: 56mm D2 Size: 47mm H Size: 28mm L Size: 62mm 3/4 Sq. Dr. Socket 1.5/8 12 point Length 62mm