Specification Material: Rubber Color: Black Process: Sulfurization Style: Modern Shape: Rectangle Number of Pieces: 4 Product Size: 16*12*8cm/6.3*4.72*3.15in Package Size: 26*19*18cm/10.24*7.48*7.09in Max. Load Capacity: 2-3T/4409.25-6613.87lbs Gross Weight: 7.8kg/17.2lbs Net Weight: 7.6kg/16.76lbs Package Included 4* Rubber Auto Lift Pads.