Description guide for plastic T barb convex (rigid): 1st external width - 2nd barb width - 3rd barb internal depth - 4th thickness | M = metres, mm = millimetress
Plastic convex top T barb rigid sections can also be used for edging trim, and gripping between gap boards.
We use UK external grade rigid PVC to manufacture plastic convex T barbs.
See also our range of T Barbs Rigid Flat Top