Powered Roller Flexible Conveyors • 0.438 shaft dia. Include caster brakes 100 lb. per linear foot, with steel rollersAllow cartons to follow the turns of the conveyor without engineered curves. Continuous-duty, multiple DC drive motor with 120VAC. Line speed is adjustable from 0 to 120 fpm. Start/stop cycle is 300 times per hr. On/Off switches at both ends. Locking knob adjusts height from 31-1/2" to 44-1/2". Heavy-duty square tubing legs and 16-ga. precision bearing rollers on 12mm axles.