Strap Wrench, For Outside Diameter 7 in, Handle Length 18 in, Strap Width 1 3/4 in/ OVERALL LENGTH: 18.000 INCHES NOMINAL WRENCHING SURFACE SIZE: 5.563 INCHES NOMINAL SINGLE END DRIVE SURFACE SIZE: 5.000 INCHES NOMINAL SINGLE END WRENCHING SURFACE SHAPE: ROUND SINGLE END EXTERNAL DRIVE END SHAPE: ROUND SINGLE END EXTERNAL SPECIAL FEATURES: STRAP, NYLON WOVEN; I BEAM HANDLE MATERIAL: ALUMINUM HANDLE STYLE DESIGNATOR: 133 STRAP