One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism. Scale graduated in Nm. Sealey 3/8 Calibrated Wrench Square Drive The Sealey STW903 is a & 3/8inSq Drive 20-120Nm Calibrated Torque Wrench Micrometer Style. Ideal for trade professional and DIY users. & One of a comprehensive range of Premier Hand Tools, suitable for daily professional use. Flip reverse Chrome Vanadium steel ratchet head with smooth action mechanism. Scale graduated in Nm. Calibration tolerance in accordance with BS EN ISO 6789-1:2017. Wrenches are individually tested to standards with ±4% accuracy and each wrench is issued with an individually numbered test certificate. Aluminium knurled handle for comfort and control. Supplied in EVA tray. Lifetime guarantee*. Supplied with 1 x Torque Wrench. & 1 x EVA Tray. Features and Benefits: One of a comprehensive range of Premier Hand Tools, suitable for daily