General description Sealey STW904B Torque Wrench Micrometer is a precision tool designed for both daily and professional use. It features a flip reverse Chrome Vanadium steel ratchet head with a smooth action mechanism, ensuring ease of use and reliability. Technical specifications Model No. STW904B Torque range: 40-220Nm (29.5-162.4lb.ft) Calibration tolerance: ±4% Compliance: BS EN ISO 6789-1:2017 Other information Aluminium knurled handle for comfort and control Supplied in an EVA foam storage tray Lifetime guarantee*