RIDGID 86907 758 Adjustable Wrench, 8-inch Adjustable Wrench for Metric and SAE Made of high grade alloy steel that is forged and heat-treated for maximum strength and durability Wrench features nickel-based plating with a brushed finish to reduce rust and corrosion, extending the life of the tool Jaw scales have etched SAE and metric graduations for quick and easy adjustments and improved productivity 8-inch (200 mm) small adjustable wrench has a 7/8-inch (22 mm) jaw opening for use on a variety of fastener sizes RIDGID covers its products with a lifetime warranty against defects in material or workmanship for the life of the tool