The KC Tools T20 x 30mm Tamperproof Bit (model 13765) is designed for use with tamperproof star fasteners. It measures 30 millimetres in length, providing access in tight or recessed spaces. Manufactured for durability, this bit is suitable for applications in automotive servicing, mechanical repairs, machinery maintenance, and general workshop use. The bit is built to handle high torque requirements, making it a practical tool for professional tradespeople and DIY users needing reliable fastening solutions.