S2 Material Forging：The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction.
1 Inch: 14 Pack Tamper Resistant star bits T-4, T-5, T-6, T-7, T-8, T-9, T-10, T-15, T-20, T-25, T-27, T-30, T-35, T-40 (T4 and T6 are not tamper proof security bits)
Wide Range of Uses: Used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics

drill bits can also be used in many other protected parts.
60mm Magnetic Extension Socket: Universal 1/4 inch hex shanks fit a variety of quick-change chucks and hexagon tools for pneumatic screwdrivers, electric screwdrivers, pneumatic drill, drill, pistol drills, screwdrivers.
General tools: The 1/4" hex handle can be used with electric screwdrivers, hand screwdrivers, electric drills, combination general purpose tools and any standard drill.