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: 5/16" Drive Shape: Hex Length: 32mm Type: Tamper-Resistant TORX Bit Output Size: T45H Product Dimension (Refer Line Drawing I 5/16 Hex Dr. Tamper-Resistant TORX® T45H Bit - Length 32mm