10PC Triple Square Spline Bit Socket Set M4-M18 1/4 3/8 1/2 Drive
10PC Triple Square Spline Bit Socket Set M4–M18 1/4" 3/8" 1/2" Drive With Case. 1/2" Tamper Resistant: M16, M18. 1/4" Drive: M4, M5, M6. Includes12-point triple square spline bits in multiple sizes, suitable for a wide range of repair jobs.