Star screwdriver bits TXTR15x25 mm from the GRAFF brand are special tools which are star-shaped and have vandal-proof holes for an additional slot. This increases fixation of the tip in a fastener and, accordingly, of trim parts during construction. Bits are made of special steel grade with additional hardening, therefore they are very strong and durable. Bit rays are rounded, so the tip does not deteriorate during long-lasting operation. It is equipped with a standard universal shank. Thanks to it the bit can be installed in both cam and collet cartridges. Bits are sold in blisters of 2 pcs.