The Screen Slipping T-handle Torque screwdriver is made from high-tensile metal and eco-friendly materials. It is factory-calibrated to +/-4% and a new mechanism ensures that accuracy is retained for longer. Every wrench is supplied with a calibration certificate to satisfy the requirements of ISO 6789:2017 and ISO 9227(NSS). The core features of the product are a numeric screen display making it easy to read the torque value, an ergonomic grip that offers a better feel than other brands, and an alloy steel pawl which reinforces product stability and reliability.