Provides rigid, low profile connections for assembling pipe grids of 1-1/2" schedule 40 pipe. Black, powder coated 1/8" steel plates are supplied with 3/8" black Grade 5 bolts and nuts. Pipes can be added or removed in place, without sliding them in from the ends. Half of the assembly can also be used to secure a 1-1/2" schedule 40 pipe to any flat surface.