Stampedes Black Rail Topz, smooth bed rail caps are designed and manufactured to protect your truck bed rails from damage, scratches and dings of daily wear and tear. Our extra tough, heavy duty Rail Topz Bed Rail Caps are constructed from resilient Tri-Blend material that is both durable, UV stable. They are available in ribbed black or smooth black and can be painted to match your truck. They are offered with or without stake hole cutouts. Precision engineered to fit your bed size and compatible with truck bed top covers. Our Bed Rail and Tailgate Caps are made in the USA and backed by a Limited Lifetime .