Beckson White Vinyl EdgeBEC-T-4WTrim “Trim-Mate” This Beckson vinyl edge trim is constructed of all-vinyl and features a serrated metal reinforced self-locking insert.It is the newest labor-saving trim on the market today. 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: Will Bend Into A 4″ Circle No Adhesive No Rivets All-Vinyl For Rough Edges Of Fiberglass and Wood Serrated Metal Reinforced Self-Locking Insert Sold By Foot