The new black blackriver rails feature a super smooth black coating which is very durable and gives them and extra sleek look and feel. Slides like butter! +blackriver-ramps+ in Germany makes the finest fingerboard ramps in the world. Each rail is made out of the highest quality rust-proof metal and gives a great, unmistakable "ring" to it. The rails are welded together so they are much stronger than any ordinary rail you'd buy anywhere else. Length: 9.8in Height: 2.3in In case you clicked on this by mistake, we want to be clear. This product is meant to be used with fingerboards. You know teeny tiny skateboards for your fingers. NOT full size skateboards.