Combination wrenches feature two same-size openings; the open-end allows you to quickly apply low torque and the box-end allows you to apply final and greater torque
The opening angle allows two actionable positions, reducing the recovery angle to 15°
Box-end: 30° recovery angle
Open-end: 15° recovery angle
The openings are machined to precision for a perfect fit with nuts and bolts
100 specifications and incorporate the UGS system on all open-ends
UGS system was designed and patented by Urrea, which offers the following benefits: If a nut or a bolt's edges are stripped, the 3-point contact distribution ensures that there is enough not contact to tighten or loosen
When torque is applied, the force is distributed to three points, thus reducing stress on the nut or bolt edges