Skrc ratchet trigger torque wrenches

It's digital. Electronic torque wrench for ease of use. With 9 separate clamping torque values to establish individual (%) measured tolerances that the user has pre-programmed. The key warns by a light and sound when it approaches its peer (orange light), when it is within the tolerance (green light) and is tightened above its tolerance values (red light). Each set pair of the last 9 values can be saved individually for later use. It runs on standard AA batteries. Meets or exceeds the requirements of ISO 6789:2003 and is supplied with the certified calibration part 389D100 and 129D200. 161810056 for insertion 9 x 12. what. 161810106 for insertion 14 x 18