8pc 3/8 Drive Interchangeable Torque Wrench Set

Interchangeable head with square interface.
Designed for use with plug-in inserts, allowing the torque wrench to be used in both 'ratcheting' mode and 'fixed wrench' mode.
14 x18mm square drive.
Contents:
1pc Torque wrench: 20-120Nm.
1pc 72 teeth ratchet head; 1/2"Dr.
6pcs open ended spanner heads: 17, 22, 24, 26, 27, 30mm.
Accuracy: ±3% tolerance from the set scale value.