1/2"; TORQUE RANGE 40-220NM; GRADUATION 1,0NM; CW AND CCW DIRECTION; 72T; TOLERANCE: +/-3% (CW -/+ 3% CCW -/+ 5%); MATERIAL: HEAD PART- ALLOY STEEL, HAND- ALUMINUM OXIDE; WITH QUICK SPLIT HEAD DESIGN; IN ACCORDANCE WITH DIN ISO6789, ASME B107.14, GB/T 15729