Zero-Reset snap-action torque wrench in case with sockets and extensions Based on the new parts, the wrench no longer has to be reset at the end of the operation cycle. COMPREHENSIVE ASSORTMENT: Torque wrench 666/10X, with 1/2” male square drive and range 20÷100 Nm, is supplied in a comprehensive assortment of hand sockets 920A, extension bars 920/20 and 920/21 and adaptor 920/15. ZERO-RESET TECHNOLOGY: Based on higher-performance materials and improved heat treatment of both the spring and the component parts of the adjustment system, the wrench no longer requires releasing tension after use. EASY SETTINGS: The graduated vernier scale allows minimum interval fractions to be set up (in tenths of Nm). IMPROVED VISIBILITY: Double graduation in Nm for clearer, simpler torque visibility, and easy, prompt settings. REVERSIBLE RATCHET: 72-tooth mechanism, for quick, accurate wrench operation, ensuring a take-up angle of no more than 5°. Ideal for right-hand tightening; torque accuracy: ± 3%. BI-MATERIAL HANDLE: Ergonomic handle, for a safe, comfortable hold. Made from materials resistant to fuel, oil and industrial liquids. TORQUE LOCKING PUSH-PULL SYSTEM: Lock/release knob with high-visibility red ring in released position. Torque is set by rotating the handle. CLICK MECHANISM: The mechanical click can be heard and touched. 100% ITALIAN-MADE: Entirely designed and manufactured in Italy, assembled, tested and certified in Beta’s Dynalab, at our headquarters in Sovico, which translates into top-quality torque wrenches.  3,5 kg  420x185x60 mm 666/10X ZERO-RESET click-type torque wrenches  20÷100 Nm 920 1/2″ square drive hexagon sockets  10÷22 mm  920/20÷920/23 1/2″ drive extension bar 75-125 mm 920/15 adaptor, 1/2” female and 3/8” male drives 920/15   UNI EN ISO 6789