Ensure your saftey cover stays locked into place with this rubber anchor tie. It scews into the pool cover grommet and secures it to concrete deck anchors. The bungee strap measures 10" long. Included in your order will be five bungee straps. Poolzilla pool cover hardware is made with the finest and most durable materials. Our hardware is factory tested to outlast even the harshest conditions, ensuring durability and safety of your pool cover all winter long.