Durable Materials: The Cord Plates And Black Buckles Are Made Of High Quality Plastic So They Won'T Come Loose. With Reliable Materials, It Is Safe And Convenient For You To Apply This Product.Easy To Assemble Tape Clip Kit: This Solar Loop Pool Cover Is The Easiest To Install, Just Clip The Connector Plastic Over The Edge Of The Pool Cover, Then Thread The Tie With The Other Tie.Universal Application: Our Solar Cover Reel Accessories Are Designed For In-Ground Solar Pool Cover Reels. They Are Universal For Solar Pool Covers Ranging From 10Ft To 24Ft In Width And 8Mm To 16Mm In Thickness.Strong, You Can Put The Sticky Patch On The Machine, Then Screw The Belt To The Coil With Screws To Make The Belt More Solid.This Universal Accessory Set Is Only Suitable For In-Ground Solar Pool Cover Reels.