Input Drive Size: 1" Drive Shape: Square Length: 108mm Type: 6 Point Socket - Thin Walled Output Size: 1 1/4" Opening: 6pt Thin Walled: Yes Product Dimension (Refer Line Drawing Image): D1 Size: 48.5mm D2 Size: 53mm H1 Size: 32mm H2 Size: 77mm L Size: 108mm