With two-jaw chuck for clamping square shanks. Moveable T-handle with a grooves centred and at each end for engaging the retaining ball. Holder with stainless steel sheath. Ratchet is reversible and can also be locked. All-steel construction for high torque applications. Clamping jaws milled and hardened for high toughness and optimum surface hardness.

Suitable for tapping holes where access is difficult.

The square sizes of other tap and reamer sizes can be found in the tables in the respective Product Groups.