1. Skate Wheel Flow Rack Conveyor Rail : Unloading pulley is made of ABS plastic rollers and stainless steel frame. The ABS rollers make the conveyor fully supported and the conveyor is light in weight, even a woman can carry it easily. 2. Splicable Unloading Pulley : It has a 30/40/50/60cm(11.8/15.7/19.7/23.6in) wide steel frame, and the length is splicing. Multiple LightDuty Gravity Conveyors can be attached as a single unit to get a conveyor of the right length for your needs. 3. Two styles: splicing model: the two sections of the slide are separated and need to be fixed with bolts before use (length of 150cm or more can be done); folding model, folded in the middle, not detachable, with welded hinges and dumpling chain, can be unfolded for use, not suitable for bagged goods. (Available for lengths above 200cm) 4. Unpowered Design:The unloading slide consists of rows of thickened vertical shafts and horizontal shafts, with neatly distributed wheels installed inside the rows of vertical shafts. When using the unloading slide, just place it at an angle and the goods will be transported from the car to the outside of the car due to gravity.