General description The CSPARKV 2pcs Tarpaulin Tensioner is designed to securely fasten pool covers, ensuring they remain in place even during strong winds. Made from high-quality aluminum alloy, these tensioners are durable and resistant to rust, making them ideal for long-term use. Technical specifications Material: High-quality aluminum alloy Size of each tensioner: approximately 7.8 x 6.4 x 3.2 cm Installation Easy to install with a user-friendly button design. Simply thread the rope (not included) through the winch and into the eyelets of the pool cover for secure fastening. Usage Suitable for securing pool covers against strong winds. Can be used with various types of ropes, including steel wire, clothesline, and chain.