Input Drive Size: 1/2" Drive Shape: Square Length: 80mm Type: 6 Point Socket with Plastic Protector, Slide Magnet and POM Cover Output Size: 12mm Opening: 6pt Product Dimension (Refer Line Drawing Image): D1 Size: 22.3mm D2 Size: 28mm H1 Size: 7mm H2 Size: 27mm L Size: 81.3mm