Enhance the versatility and efficiency of your power tools with this comprehensive Drill Bit Extension Set, featuring three 1/4-inch hex shank drill extension rods and a quick drill chuck. Designed for seamless installation on various power tools, this set is an essential accessory for both professional and DIY projects. Crafted from durable chrome vanadium steel and heat treated for superior hardness and wear resistance, these tools ensure long-lasting performance and reliability. Key Features: · Complete Drill Bit Extension Set: Includes 3 pcs of 1/4-inch hex shank drill extension rods and a quick drill chuck, perfect for expanding the reach and functionality of your cordless electric screwdriver or drill. · Magnetic Socket with Locking Mechanism: Each extension rod features a magnetic hole at the bottom, combined with a secure locking mechanism to provide safe and stable operation during use. · Quick Drill Chuck: The nickel-plated quick chuck easily converts your cordless screwdriver into a drill bit holder, allowing for quick bit changes and improved work efficiency. · High-Quality Chrome Vanadium Steel: Constructed from premium chrome vanadium steel and heat treated to enhance hardness and wear resistance, ensuring durability even under heavy-duty use. · Wide Clamping Range: The quick chuck accommodates drill bits ranging from approximately 0.3mm to 3.6mm (0.01 to 0.14 inches), suitable for a variety of drilling and fastening tasks. Specifications: · Material: Chrome Vanadium Steel · Item Type: Drill Bit Extension Set · Hex Shank Size: 1/4 inch · Quick Chuck Clamping Range: 0.3-3.6mm (0.01-0.14in) · Quick Chuck Surface Treatment: Nickel Plating Package Includes: · 3 x 1/4-inch Hex Shank Drill Extension Rods · 1 x Quick Drill Chuck This Drill Bit Extension Set is designed to improve your tool’s adaptability and performance, providing a reliable, easy-to-use solution for extending drill reach and enhancing bit changing speed. Ideal for various drilling applications, it is a must-have accessory for anyone looking to upgrade their power tool capabilities.