Hollow Round Shank Nut Driver, Tip Size 3/8 in, Bolt Clearance 1 in, Shank Length 2 3/4 in/ OVERALL LENGTH: 6.688 INCHES NOMINAL HANDLE COLOR: BLUE WRENCHING SURFACE SIZE: 0.375 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