| Professional torque spanner designed to precisely tighten bolts. PROPERTIES: The key is made of chrome-vanadium CrV steel... Tightening force adjustment 40-210 NmFits all 1/2" bolt heads.Contains 3 terminals (17, 19, 21mm) and a 125mm extension It has a lock which prevents accidental change of the tightening direction Length of the spanner arm 47 cm. MEASUREMENTS (case) 490 x 80 x 60mm THE CONTENTS OF THE KIT:Torque spanner 1/2" with lock125 mm 1/2" extension 3 terminalsCaseInstruction for use |