Input Drive Size: 3/8" Drive Shape: Square Length: 50mm Type: 6 Point Semi-Deep Thin Wall Socket Output Size: 19mm Opening: 6pt Thin Walled: Yes Product Dimension (Refer Line Drawing Image): D1 Size: 26mm D2 Size: 21.5mm H1 Size: 19mm H2 Size: 34.5mm L Size: 50mm