Quick Change Convenience: Experience immediate accessory swaps with our 4 inch hex handle quick coupling system. Press and release drill bits in seconds, keeping your deck construction or woodworking project moving without interruption. Material and Design: Crafted from grade carbon steel with an antislip spherical handle for durable, comfortable grip. Delivers stable operation with your electric drill or power tool. Compatibility Specifications: 6.35mm shank diameter. This converter fits most charging drills and electric tools with chucks larger than 6.35mm. Doublehead screw extractors are only suitable for 03 specifications. Versatile Application: for plywood floor installation, building crates, and wood frame assembly. Transforms standard drills into quickchange systems without requiring tool modifications. Use Scenarios: 1) Deck construction and other woodworking projects requiring rapid bit changes; 2) Plywood floor installation with multiple drilling and fastening steps; 3) Crate and wood frame assembly that involve frequent bit swaps.