Screwdriver Bits and Wrenches Set "Spline" and "Allen Key" and "Torx" 40 Pieces - Made in Taiwan Get precision and power in your work with this integrated 40-piece set, specially designed for heavy-duty work and car maintenance. It features high-quality Taiwanese manufacturing that guarantees you a long life and resistance to corrosion. Key Features: Comprehensive Variety: Contains a wide assortment of Torx (T), Hex (Allen), and Spline (M) bits in short and long sizes to reach the most difficult places. Taiwanese Quality: Made from Chrome Vanadium (Cr-V) steel, resistant to rust and breakage under high pressure. Organized and Protected: Comes in a durable red metal case, internally padded to organize the pieces and prevent loss. High Compatibility: Includes 1/2 and 3/8 drive adapters to fit various wrench sizes (systems). Set Contents: Torx Bits. Hex (Allen Key) Bits. Spline Bits. Hand Drive Adapters. Hard Metal Carrying Case.