Engineered for robust bolting applications, our combination spanner set provides reliable torque in confined spaces. Crafted from drop-forged chrome steel, each spanner features a fixed-size open jaw on one end and a box ring on the other for superior grip on nuts and bolt heads. The precise sizing and angled heads allow for efficient turning in tight quarters. Ideal for automotive work, plumbing, and machinery maintenance, this set offers the strength and accuracy needed for secure fittings and assemblies.