Type ARQ-0.6 ARQ-1.2 ARQ-3 ARQ-6 Range 0.1-0.6(N.m) 0.2-1.2(N.m) 0.5-3(N.m) 1-6(N.m) Division value 0.01N.m 0.02N.m 0.05N.m 0.1N.m Accuracy 5% 5% 5% 5% Size 161mm 161mm 186mm 186mm Handle Diameter 26mm 26mm 31mm 31mm Joint 6.35 HEX 6.35 HEX 6.35 HEX 6.35 HEX Weight 0.3kg 0.3kg 0.4kg 0.4kg The value of the Torque can be preset, and with the alarm sound. Clockwise and Counterclockwise can be changed automatically, which make the use more easy and convenience. Use Graduated ring and Scale round. Which make the read more clear and accurate. Use Aluminum material, can be used for a long time. Obey the instruction GB/T 15729-2008 Come together with the Phillips and straight screwdriver inside