Adjustable Wrench, Alloy Steel, Black Oxide, 8 in, Jaw Capacity 1 1/8 in, Plain/ OVERALL LENGTH: 8.000 INCHES NOMINAL WRENCHING SURFACE SIZE: 1.125 INCHES MAXIMUM SINGLE END WRENCHING SURFACE SHAPE: OVAL SINGLE END INTERNAL SPECIAL FEATURES: AUTOMATIC JAW LOCKING MECHANISM MATERIAL: STEEL OVERALL SURFACE TREATMENT: OXIDE OVERALL STYLE DESIGNATOR: 3 OPEN END SINGLE HEAD RACK AND WORM ADJUSTMENT SUPPLEMENTARY FEATURES: INDUSTRIAL QUALITY (IQ) TOOLS PROGRAM ITEM