TRAILER COVER ROLLERS 12PCS SET

Plastic trailer cover roller (also known as a tarp button, tonneau cover knob, or bakkie bin anchor roller), are typically used with shock cords or rubber ropes to secure covers on trailers and truck load bins. They act as an anchor point or lashing hook around which elastic ropes, shock cords, or rubber straps are looped to hold down tarps and tonneau covers. Features a flanged base with a central screw hole for secure mounting and a spool-shaped upper head to retain cords. *N*