Our 7.5mm PVC Double Rail Strip is a rigid double track, used to connect two pieces of keder.  This track works well in the awning, shade, and marine industries. It is ultraviolet (UV) treated. Standard rail length is 7’9”. This double keder rail accepts 6 - 7.5mm keder. Call (888) 727-7050 or Contact Us for a Quote on purchase and bulk options