Conveyors are easily set-up or rearranged when your needs change. Made of the finest aluminum or steel for long wear and trouble-free service. Aluminum: 2-1/2″ x 1″ x 1″, .125 in. formed channel frame with 5 cross angles. 2″, 16 ga. rollers with 1/4″ spring loaded axle. Hook and rod couplers. 600 lbs. frame capacity — 65 lbs. roller capacity. Steel: 2-1/2″ x 1″ x 1″, 12 ga. galvanized formed frame with 5 cross angles. 1.9″, 16 ga. rollers with 1/4″ spring loaded axles. Hook and rod couplers. 900 lbs. frame capacity — 125 lbs. roller capacity.