Prime-Line Screw & Nut Set 651-0451

These one-way screws and barrel nuts are constructed of steel and come in a chrome-plated finish. They feature one-way, tamper-proof drive heads that prevent them from being loosened and removed once installed. The security drive heads of these fasteners allow for easy installation with a flat screwdriver, but require the use of a one-way screw remover tool. See item number 650-7901 for screw sizes 6-8, model number 650-7902 for sizes 8-10, and model number 650-7903 for sizes 12-14, or model number 650-7904, which includes one of each one-way screw remover hand tools.