Used to hold down fabric canopies, clears, etc. Made from UV stabilised 5mm cloth covered rubber shock cord. Type 1: Will attach to a hard surface (typically wood, fiberglass, or aluminium) by self tapper.Type 2: Will attach to fabric clears, canopies, etc with a nylon locking clip which can be fastened by multi-grips or a light hammer tap on a firm surface. Nylon hard surface anchor button also available. Use #8 or #10 countersunk self tapper to fix.Note: We do not stock white in this product because they go yellow and brittle