TowSmart Oblong Stop, Turn and Tail Light Dryer Vent Brush The blend of materials offers

The blend of materials offers the best of both worlds - lighter in weight than rubber and more flexible than PVC (polyvinyl chloride)

according to label instructions

Friction Roller Adjustment

Durable 230mm Zinc Die Cast Shank

or is it tubeless

TowSmart Oblong Stop, Turn and Tail Light Dryer Vent Brush The blend of materials offersThe Submersible Sealed Red Stop, Turn and Tail Trailer Light is ideal for multiple styles of trailers where incandescent lights are desired and should be used on trailers over under 80 in. wide. Functions as a stop, turn, tail light and can be mounted either horizontally or vertically. Includes a rubber mounting grommet and a 3 prong plug used for wiring connection. The light provides a weatherproof, corrosion resistant housing and built in reflex