4PCS Bit Extension Holders 1 4 Inch Hex Shank Drill Bit Adapter Set 12in 6in 4in 2 3 8in Length

Feature: 1. [Compatibility] This drill bit extension set fits all 1 4 inch hex shank tools, including electric screwdrivers, pneumatic screwdrivers, cordless drills, air drills, impact drills, and other equipment with a 1 4 inch hex shank 2. [Multiple Sizes] The hex shank bit holder kit comes in 4 lengths (2 3 8in, 4in, 6in, 12in) to accommodate tight spaces or deep recesses, making it practical for both household repairs and professional applications 3. [Easy to Use] Designed with a quick replacement extender mechanism, this bit holder allows immediate swapping of insert bits without additional tools, boosting efficiency during continuous drilling tasks 4. [Robust Construction] Crafted from aluminum alloy and stainless steel, this drill bit extension set is rustproof and wear resisting while maintaining a firm grip on drill bits under heavy torsion or vibrations 5. [Secure Holding] The drill bit extension holder securely grips all standard 1 4 inch hex insert bits and screwdriver bits, ensuring stable torsion transfer without slippage during drilling or fastening works Specification: Item Type: Drill Bit Extension Set Material: Aluminum Alloy, Stainless Steel Shank Diameter: 1 4 Inch Hex Length: 12 Inch, 6 Inch, 4 Inch, 2 3 8 Inch. Package List: 4 x Drill Bit Extension Holders