Description 12″ Adjustable Wrench The original adjustable wrench, made by the world-famous Crescent® brand Laser etched scale in both SAE Standard and Metric sizes allows easy identification Larger knurl for easy adjustment ensures a tight jaw fit Hex jaw design reduces slippage by gripping fasteners tightly Large capacity 1-1/2″, 39mm jaw fits a wide range of fastener sizes Wider handle improves comfort and reduces fatigue Heat-treated forged alloy steel for toughness and durability Tension spring stabilizes jaw and allows easy knurl adjustment Chrome plated finish wipes clean easily and resists rust or corrosion Polished head and satin finished handle