General description Designed for use with a standard ratchet or breaker bar, the Sealey STW293 Digital Torque Adaptor easily converts 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 Drive size: 3/8'' Sq Torque range: 27-135Nm (19.9-99.6 lb.ft) Accuracy: ±2% of stated capacity Memory: Stores up to 50 readings Battery life: 50 hours (supplied with 2 x AA batteries) Usage Large LCD display for clear and accurate readings LED/audible alarm indicates achieved and target torque levels to prevent over-torquing Selectable readings in Nm, lb.ft, lb.in, kgf.cm, or kgf.m Auto shut-off feature after 85 seconds for energy efficiency Other information Supplied with a certificate and storage case for convenient storage solutions Lifetime guarantee*