May need manual loading and unloading of objects. Slat conveyors. These conveyors have slats or plates made of steel, wood, or other materials. The slats are usually mounted on roller chains.

Each section of the DynaCon modular gravity roller conveyor is 20-in. long and includes five rollers on 4-in. centers. Constructed of high-impact polycarbonate, the modules can handle boxes ...