Fisch Bora Portamate PM-3050 Extension Bar Kit, 36" Rails + Couplers, for Bora Portamate PM-3500 Mobile Base

Includes two 36 (91 cm) rails and couplers to increase the size of your PM-3500 or PM-3550 Mobile Base | Easily extend the footprint of your PM-3500 or PM-3550 mobile base by adding these rails | Add coupler to attach a 20-inch to a 36-inch rail for a maximum size of 73-inches | Easy assembly, hardware included | PM-3500: with long 36 rails and rail couplers (PM-3050) largest square 44 x 60 inches largest rectangle 18. 25 x 76 inches | PM-3550: with long 36 rails and rail couplers (PM-3050) largest square 44 x 60inches largest rectangle 18. 25 x 76inches | Mobile bases sold separately