The Teng Tools Industrial grade torque wrenches designed and manufactured to exceed DIN3122 with an accuracy of +/- 4% maximum. Each torque wrench is supplied with an individual, fully traceable calibration certificate from the date of manufacture. A 72 teeth ratchet mechanism allows for greater access even in confined spaces and incorporates a quick release mechanism and twist reverse for changing direction but torque is only measurable in the conventional right hand direction. The scale is an easy to read window style in Nm while the handle has an ergonomically designed bi-material grip for added comfort and a hanging facility. The Plus range of torque wrenches also feature a safety locking button to enable reliable locking of the torque setting