Delcast LP-29 Electronics Multi-Bit Screwdriver Set, 29 Piece Set Includes an assortment of 28 piece assortment of bits with eight types of screwdriver tips Bits include phillips, slotted, torx, security torx, pentalobe, triwing, triangle and hexagon Works with a variety of electronics; anything from the iPhone to Roomba and most everything in between Works on a variety of electronics; from the iPhone to the Roomba vaccum Lifetime replacement warranty