Features: Crafted from metal, this extension spring resists oxidation, corrosion, and wear, ensuring reliable operation in various setting. Equipped with a circular connector, it offers a suspension feature that easily attaches to assembly line mounts, enhancing the efficiency for multiple users working together. For simplicities and convenience, it functions with various electric tool, air tool, grinders, and small drills, significantly improving work efficiency. Includes a detachable active connector, enabling users to change or suspend different attachments as need, providing flexibility and reducing operation time. Constructed with strong load-bearing capabilities, it safely holds and suspends various attachments and devices without the risk of falling or damage. Specifications: Component: Stainless Steel Spring length:33cm/38cm/50cm Suitable for a variety of power tool Package Includes: 1pcs Tension Equipment Retainer note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.