roller type flexible conveyor 1. W: 15-4/5''(400mm) 2. L: 81-1/2'' to 189''(2m to 4.8m) 3. H: 620mm-990mm 1. function:Flexible Roller Conveyor works well for loading and unloading trucks or trailers. Simply expand the conveyor into the truck and contract it when done.2. size:Width: 400mmLength: 2m to 4.8mHeight: 620mm-990mm adjustableLoad capacity: 150kg per meter, 750kg totally.Rollers: 2''(50mm ...