Chrome Vanadium steel reversible 60-tooth ratchet head with impact resistant polycarbonate tubing and injection moulded nylon thermoplastic for total insulation. Torques in both directions with an accuracy of ±1% at 21°C. Features an Easy-to-read dual scale graduated in both Nm and lb.ft. Fully insulated to BS EN IEC 60900:2018 to protect from electric shocks up to 1500V DC and 1000V AC and is ideal for technicians working on modern hybrid and electrical vehicles (1500V DC safe live working).