Socket Bit, Replaceable Insert No, SAE, Tip Size 15/16 in, Tip Style Slotted/ OVERALL LENGTH: 1.344 INCHES NOMINAL TIP WIDTH: 0.938 INCHES NOMINAL DRIVE SURFACE SIZE: 0.500 INCHES NOMINAL SINGLE END TIP THICKNESS: 0.154 INCHES NOMINAL FEATURES PROVIDED: MANUAL TOOL WRENCHING SURFACE SHAPE: FLAT (SLOTTED) SINGLE END EXTERNAL SPECIAL FEATURES: DRAG LINK TYPE MATERIAL: STEEL OVERALL SURFACE TREATMENT: CHROMIUM OVERALL STYLE DESIGNATOR: 187A FLAT