1、 High-quality materials: Made of high-quality carbon steel, it can achieve durability and support through daily use to quickly switch tasks and keep working smoothly. 2、 Non-slip round handle: Comfortable big spherical grip, anti-slip design, more convenient one-hand operation, press down can release the ejection bit, realizing quick replacement in one second. 3、 Connection screw extractor: Single-headed screw extractors can be quickly connected. Double-head screw extractors are only applicable 0-3 specifications. No. 4 extractor that exceeds the diameter of the opposite side of 6.3mm cannot be installed. 4、 Universal 1/4 hexagon 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 power tool accessories with a hexagonal handle. 5、 Wide range of application: This quick coupling can be used to rechargeable drill,eletric drill,electric tools. It can be used Use for deck building, wood framing, installing plywood subfloor, building crates, and more. 6、 1* Quick Coupling Material: Carbon Steel Weight: 40g Size: 60*24mm