HiWay Round 8" Permanent RV Jack Pads (4-pack)The SnapPad HiWay 8 four pack comes with four of our permanent jack pads for HWH 8 round feet, a configuration that can be found on Class A Motorhomes as well as a handful of Class Cs and Bs as well. Pick up a set now and find out why many Motorhome owners consider SnapPads a must have leveling accessory. For 8 round jack feet 10 width 3. 8 lbs per pad Adds ~1 of thickness to jack foot Adds 69% surface area Shake tested to 50Gs Temperature tested to