TORX® is recognized as one of the three most efficient fastening systems because of their ability to transfer greater torque, reduce load and virtually eliminate tool slippage. Input Drive Size: 1/4" Drive Shape: Square Length: 80mm Type: TORX® Bit Socket Output Size: T25 Product Dimension (Refer Line Drawing Image): D 1/4 Sq. Dr. TORX® T25 Bit Socket - Length 80mm