9PCS Torque Wrench Set 1/4" 3/8" 1/2" Drive 20240 in.lb 550&10170 ft.lb Click Torque Wrench 72-Tooth Dual-Range ±3% Precision Adjustable Torque Wrenches for Bike, Moto, Car Repair and Maint

±3% High Precision TorqueThis torque wrench set offers a dual-scale range of 20-240 in-lb ( 2.3 - 27.1N m) & 5-50 ft-lb ( 6.8 -67Nm) & 10-170ft. lb ( 13.6 - 230.5N m). The torque wrench comes with a Calibration Certificate featuring a unique serial number. The click-stop mechanism delivers audible and tactile feedback once the preset torque is reached, helping to avoid under or over-tightening. Premium Quality and Durable Material Constructed from hardened chromium vanadium steel alloy (Cr-V). Additionally, the bottom buckle tail plug uses a red anodizing process to boost the product's oxidation resistance during use and enhance surface wear resistance.

72 tooth ratchet head, made of chromium molybdenum steel. We employ quality materials that resist corrosion and provide lasting durability. The unique calibration sequence number is indicated on the calibration certificate, and three sets of test data record the calibration records before leaving the factory