Gray Tools Torque Wrench, Dial-Type Heavy Duty, 3/8 in Drive, 0 to 600 in-lb Torque, Fixed Head, 12-1/4 in Overall Length, CW/CCW Rotation, +/-4 % Accuracy, Knurled Handle, Specifications Met: ASME B107.14-2004, ISO 6789

• Individually serialized with matching factory certificate of calibration traceable to N.I.S.T
• Easy to read scales
• Rugged metal knurled handle
• Quick release button for faster socket retention and removal