Retention for Efficiency: The integrated socket securely holds screws in place, enabling faster installation when using power driver or working in tight space while minimizing dropped fasteners Durability Wear Resistant Construction: Made from high hardness metal with excellent abrasion resistance, each bit maintains its shape and even after repeated use Enhanced Torques Transfer: The tapered socket geometry centers fasteners and improves torques transfer, reducing slippage and increasing stability during heavy duty or precisely fastening tasks Quick Size Identification: finish and red markings allow for easy size recognition; compatibility with most power screwdrivers, drills, and manual tools 6Piece Hexagonal Screwdriver Bit Set: This screwdriver bit set includes six shock bit with multiple Hexagonal size and two lengths ( 65mm and 100mm), perfect for handling common screw types in both household projects and professional tasks, Manufacturer: Mekalero