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While it requires a wrench, loosening and tightening bolts need not be a wrenching experience. A combination wrench, for example, is a toolbox essential. This double-ended tool is made up of an open-end for tightening and loosening in small spaces, and a box-end for leverage/torque and a firm grip around nuts and bolts. We offer a large variety of wrenches to meet the most demanding jobs, including ratcheting wrenches, adjustable wrenches and combination wrench sets.