This is a Prestacycle TorqKey T-Handle Torque-Limiting Bits Tool. Features: Torque value accurate to + / - 8% Torque accuracy lifecycle exceeds 5000 cycles Provides 20 degree overrun when maximum torque is reached Overrun provides user with unmistakable feedback when torque value is reached Polymer T-Handle ergonomically designed for comfortable four-finger and palm grip Color-coded tension markings on both sides 12mm wide Zinc shaft has 50% thicker walls; stronger than other Torque tools Magnetic 1/4" hex bit retention makes bit changes easy Specifications: Bits Included: No Maximum Torque Limit (Nm): 5 Minimum Torque Limit (Nm): 5 Driver Size: 1/4"