8pcs combination spanner

8pcs combination spanner Key Features: • Drop-forged chrome vanadium steel construction for exceptional torque capacity and structural integrity • Mirror chrome plated finish with triple-layer corrosion protection and easy-clean surface • 12-point box end provides 15-degree working arc for confined space fastener access • Open end features precision broached jaws with 15-degree offset for improved knuckle clearance • Laser-etched size markings on both faces remain legible through years of professional use • Polished heads and satin finished beams prevent slippage from oily fingers • Heat-treated and tempered for optimal hardness distribution between 45-52 HRC • Compact molded storage rail organizes spanners by size and prevents toolbox migration • Set includes 8, 10, 12, 13, 14, 15, 17, and 19mm—the essential metric coverage range