Power-Speed-Ratchet-3-8-Sq-Drive-Sealey-SPR001-The-Sealey-Power-Speed-Ratchet-combines-the-high-torque-of-a-traditional-h&-ratchet-with-the-faster-efficiency-of-an-electric-power-tool-providing-working-speeds-10-20-times-quicker-when-tightening-loosening-fasteners-No-load-speed-200rpm-saving-the-time-&-fatigue-of-a-traditional-h&-ratchet-wrench-The-clutch-mechanism-is-designed-so-that-when-the-maximum-torque-is-reached-1 Nm-0-74ft-lb-a-tactile-vibration-indicates-to-change-over-to-m