


Aluminum Frame: 2-1/2" x 1" x 1/8" heat treated aluminum channel with rugged aluminum cross members bolted between channels. Aluminum Rollers: 1-3/8" diameter heat treated aluminum tube with swaged ends for firm bearing seat. Roller Axles: 1/4" round spring loaded for easy removal and insertion. Aluminum Cross Braces: 5' lengths have two bolt ...