PrestaCycle TorqKey T-Handle Preset Torque Tool 6NmPrestaCycle TorqKey T Handle Preset Torque Tool 6Nm. Prestacycle TorqKey T Handle Torque Limiting Bits Tool. 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