Beckson Black Vinyl Edge Trim "Trim-Mate" This Beckson vinyl edge trim is the newest labor-saving trim on the market today. Constructed of all-vinyl, this trim features a serrated metal reinforced self-locking insert. With no rivets and no adhesive, just snap it on and it will stay put. It is excellent trim for rough edges of fiberglass and wood.Features: All-Vinyl; Serrated Metal Reinforced Self-Locking Insert; For Rough Edges Of Fiberglass and Wood; Will Bend Into A 4" Circle; No Rivets; No Adhesive; Sold By Foot;