The MEGAPRO Tamperproof 2 tri-wing screwdriver features an additional selection of 14 different security fastener driver bits. This 15-in-1 multi-bit screwdriver is a must for all commercial and industrial tradesmen including electricians, locksmiths, telephone technicians, maintenance personnel, etc. Included bit types are TRI-WING, TORQ-SET, and TORX PLUS TAMPER RESISTANT. The shaft opening also serves as a 1/4? hex driver.