Introducing the Terminator Blue Power Tool Accessory Kit, housed in the revolutionary GoStack box—a game-changer for tool storage and transport. Designed for durability, the innovative GoStack boxes securely attach to one another, creating a modular, space-saving storage system that’s perfect for professionals and DIY enthusiasts alike. Inside, you’ll find impact-rated, rigorously heat-treated driver bits that deliver an exceptional 120 times the service life of standard bits, crafted with the tightest-fit, precision-machined tips from the industry leader in precision engineering. Elevate your toolkit with unmatched performance and organization, Set Includes: Phillips #1 (2), #2 (2), Square #2 (2), Torx T20 (2), T25 (2), T30 (2) – all 50mm; Phillips #1, #2 (2), Square #2, Torx T10, T15, T20 (2), T25 (2), T30, T40 – all 90mm TST™ Torsion Stabilizing Technology for maximum flex and reduced tip stress Computer-controlled heat treatment for 120 times service-life over Wiha standard bits Tuned torsion zone for maximum flex and reduced tip stress CVM premium quality tool steel for strength and durability Exact fit precision machined tips for reduced cam-out Fit with a standard 1/4 inch hex drive Bit lengths available: 1-inch; 2-inch; 3.5-inch Impact-rated for power tool applications Minimum hardness tolerance of 61 HRC +/- 1