1/2" 72T, RANGE 20-220NM, LENGTH 495MM; MATERIAL 42CRMO; DOUBLE WINDOWS, PLASTIC HANDLE AND RATCHET TORQUE WRENCH; RATCHET HEAD CAN BE SWITCHED CLOCKWISE OR COUNTERCLOCKWISE, 72 TEETH FOR QUICK RELEASE; ACCURACY: +/-4% OF READING, IN LINE WITH INTERNATION