General description Sealey STW290 Premier Digital Torque Adaptor is designed for use with a standard ratchet or breaker bar, easily converting them into an accurate digital torque wrench. It is ideal for work around the engine bay and for tightening wheel nuts to factory specifications. Technical specifications Model No.: STW290 Torque range: 40-200 Nm (29.5-147.5 lb.ft) Accuracy: ±2% of stated capacity Memory: Stores up to 50 readings Auto shut-off: After 85 seconds Power supply: 2 x AAA batteries Large LCD display with LED/audible alarm Other information Supplied with certificate and storage case Lifetime guarantee*