Greenlee 0253-13C

Heavy-Duty Nut Driver 5/16" x 3". Rugged hollow shaft for bolt clearance. Heavy-duty construction for longer life. Handle color marked for easy identification of nut driver size. Precision 6-point sockets for accurate fastener fit. High-grade, rust resistant, chrome-plated finish. Soft, cushioned grip for extra comfort and torque. Exceeds ASME/ANSI specifications. Lifetime limited warranty. Note: This is not an insulated tool.