Input Drive Size: 1/2" Drive Shape: Square Length: 80mm Type: 6 Point Deep Thin Wall Socket Output Size: 3/4" Opening: 6pt Thin Walled: Yes Product Dimension (Refer Line Drawing Image): D1 Size: 26.7mm D2 Size: 29mm H1 Size: 19mm H2 Size: 61mm L Size: 80mm