set is rated for 8 tons used for moving heavy machinery on smooth hard surfacesManufacturer: Hillman
6' long pry bar on wheels used to lift machinery high enough to get moving skates under
4 swivel wheel flat dolly for moving boxes, furnature etc.
For moving heavy items shch as refrigerators, stoves etc. Has rollers in back to help when moving up & down stairs. 600lb. cap.