Hollow Round Shank Nut Driver, Tip Size 1/2 in, Bolt Clearance 1 in, Shank Length 2 3/4 in/ OVERALL LENGTH: 7.000 INCHES NOMINAL HANDLE COLOR: RED WRENCHING SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END FEATURES PROVIDED: HOLLOW SHAFT AND STRAIGHT FLUTED HANDLE WRENCHING SURFACE SHAPE: HEXAGON SINGLE END MATERIAL: PLASTIC HANDLE MATERIAL: STEEL SHAFT