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Wrenches are the primary instrument used to construct SK® linear, hybrid and circular ESF frames and are available in two styles: combination and angled open-back. Three sizes are available: 7mm , 8mm and 10mm.
Popular due to ease of use and rapid frame construction. This angled open-back wrench combines the action of a nut driver and box-end wrench in one.
Open and box-end options provide the surgeon flexibility to tighten fasteners, counter torque fixation clamps, and offer more freedom in areas of limited space.