The Titan TTN-16113 Tools Tamper Resistant Star Bit Set is a 13-piece set of tools that are tamper resistant. The set includes a star bit, a screwdriver bit, a hex bit, a torx bit, a Phillips bit, a flat head screwdriver, a phillips screwdriver, a ruler, and a wrench. The star bit is designed to remove screws and bolts. The screwdriver bit is designed to remove screws and bolts. The hex bit is designed to remove screws and bolts. The torx bit is designed to remove screws and bolts. The Phillips bit is designed to remove screws and bolts. The flat head screwdriver is designed to remove screws and bolts. The phillips screwdriver is designed to remove screws and bolts. The ruler is designed to measure distances. The wrench is designed to tighten screws.