[High-quality Materials]: Made of high-quality alloy steel, it can achieve durability and support through daily to quickly switch tasks and keep working smoothly.[Non-slip Round Handle]: Comfortable big spherical grip, anti-slip design, more convenient one-hand operation, press can release the ejection bit, realizing quick replacement in one second.[Universal 1/4 Handle]: It is suitable for clamping on electric drill chucks without quick function. The clamping diameter of the chuck needs to be greater than 6.3mm. After the connection is stable, it is convenient to quickly replace the tool accessories with a hexagonal handle.[Connection Screw Extractor]: Single-headed screw extractors can be quickly connected. Double-head screw extractors are only applicable 0-3 specifications. No. 4 extractor exceeds the diameter of the opposite side of 6.3mm cannot be installed.[ceversatile ]: for deck building, wood framing, installing plywood subfloor, building crates, and more: 1/4 inch Hex This quick-change connector is non-magnetic, has a -in stable lock and high-efficiency , and has concentricity.size:About 50mm longMaterial:alloy steelcolour:Black+Gold+SilverPackage Contents:4 * Hexagonal Quick CouplingOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.