OBD1768: Features: -Hardened for extra strength.-Prevents rounding of fasteners' corners.-Thin wall design fits into tight spots.-Chamfered opening slips easily over fasteners and holds securely.- Lobular design exerts force on flats of fasteners.-Drive Size: 1/2 in.-Drive Type: Square.-Testing and approvals:.-Meets ANSI Spec. B107.1.-Meets Federal Standards GGG-W-641e.
Hardened for extra strength. Prevents rounding of fasteners' corners. Thin wall design fits into tight spots. Chamfered opening slips easily over fasteners and holds securely. Lobular design exerts force on flats of fasteners. Drive Size: 1/2 in. Drive Type: Square. Testing and approvals:. Meets ANSI Spec. B107.1. Meets Federal Standards GGG W 641e.