Construction: Crafted from alloy steel and chrome vanadium steel, this bit socket set is designed for long-lasting performance and exceptional strength, effectively minimizing wear and tear during use. Organized Storage: The included plastic storage case features dedicated slots for each bit socket, that all pieces are neatly contained for easy transportation and quick access whenever needed. Versatile Usage: This set includes a comprehensive range of sizes, making it suitable for various applications including bikes, automobiles, appliances, and machinery, allowing you to tackle a wide array of repair tasks efficiently. User-Friendly Compatibility: Each socket can be easily installed on manual torque tools, enabling you to select the appropriate size according to your needs and complete your work with ease. Comprehensive Set: With a total of 13 pieces covering different drive sizes from T8 to T70, this bit socket set equips you with all essential tools for your repair and maintenance projects. Product Name:Star for Torx Socket Bit Set 7 Types of 1/4Inch Drive:T8, for T10, for T15, for T20, for T25 ,T27, for T30 5 Types of 3/8Inch Drive:T40, T45, T47, T50, T55 1 Type of 1/2Inch Drive:T70 Widely Application: Our bit set including all the essential sizes to work on bikes, automobiles, appliances, lawn equipment, machinery, and any other jobs to use with manual torques tools. Color:As Shown Material:Metal Package Contents: 13 * Hexagon Socket Screwdriver Socket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.