Auto Accessories Dealer 4 Pack Universal Small Slotted Polyurethane Jack Pad Frame Rail Protector Fits most hydraulic floor jacks and vehicles Prevent your frame rail pinch welds from bending when using a jack to lift your car Adds extra grip when raising the car and reduce slipping Durable anti slip polyurethane construction, soft enough to prevent damage, hard enough to support the jack point 2.5" Diameter, 1" Tall Slot Dimensions: 10mm Width, 7mm Height, does not fit Trolley Jacks 2.25&#034; Diameter, 1&#034; Tall Slot Dimensions: 10mm Width, 7mm Height Durable anti slip polyurethane construction Fits most floor jacks and vehicles, please check fitment below, does not fit Trolley Jacks Please exercise proper safety precautions when working on your vehicle