Leather protection for your lifeline. Leather protection has been the natural material to protect the sail from wear for centuries. Each pack contains 2 punched leather covers, 2 needles, waxed polyester thread and instructions on how to easily sew on the protections. The protection can be reused and sewn on again. 3 types: wire lifeline, parafil lifeline and stanchion poles. For uses on lifeline turnbuckles, two leather protections is needed.