Hollow Round Shank Nut Driver, Tip Size 7/16 in, Bolt Clearance 1 in, Shank Length 2 3/4 in/ OVERALL LENGTH: 7.000 INCHES NOMINAL HANDLE COLOR: BROWN WRENCHING SURFACE SIZE: 0.438 INCHES NOMINAL SINGLE END FEATURES PROVIDED: HOLLOW SHAFT AND STRAIGHT FLUTED HANDLE WRENCHING SURFACE SHAPE: HEXAGON SINGLE END MATERIAL: PLASTIC HANDLE MATERIAL: STEEL SHAFT SUPPLEMENTARY FEATURES: INDUSTRIAL QUALITY (IQ) TOOLS PROGRAM ITEM