Castor Rail 6 80x40 E is the basis for Roller Conveyor 6 80x40 E D30, which is delivered fully assembled. Two Line 6 grooves on the underside are used to create a friction-based connection with the frame. Castor Rail 6 80x40 E is extremely rigid and can be used to build long conveyor lines. Guide Rails along the sides keep transported goods on track. The Roller Conveyor uses Rollers that are 63 mm wide. Roller Conveyor 6 40x40 E D30 (0.0.658.69) is available as a narrower alternative.