Set includes five triangle screwdriver bits: TA1.8, TA2.0, TA2.3, TA2.7, TA3.0. Each bit has a 6.35 mm (1/4 inch) shank and a total length of 50 mm. High quality materials Made from high quality S2 steel for durability and long life. The bits are anti-shock, tough, and wear resistant for frequent use. Magnetic triangle head Magnetic triangle head provides easy screw retention, helps prevent dropping screws, and offers reliable anti rust and anti skid performance. Compatibility and usage Designed for use with 1/4 inch drive tools. Suitable for pneumatic screwdrivers, electric screwdrivers, and rechargeable drills. Key benefits - Durable S2 steel construction for tough tasks - Magnetic head helps hold screws and reduces cam out - Triangle head provides secure fit with compatible screws - 1/4 inch shank fits common drives in power tools - Compact 50 mm total length for access in tight spaces Use scenarios - Assembling flat pack furniture where triangle screws are used, especially in confined or awkward spaces - Repairing small appliances or electronics that use triangular fasteners, where a magnetic bit helps hold the screw - Automotive interior or dashboard work where a compact magnetic bit set facilitates precise driving in tight panels Notes Suitable for pneumatic screwdrivers, electric screwdrivers, and rechargeable drills. Fits 1/4 inch drive tool chucks for versatile maintenance and assembly tasks.