VEVOR RV Leveling Pads, 4-Pack Rubber Trailer Jack Pads, Each with 5000 lbs Capacity, Jack Stabilizer Pad with Large Surface Area, Suitable for 5.5" Square Jack Feet, 5th Wheels Class A/C MotorhomesNon-slip SurfaceBottom HoleDeep GrooveQuick 4-Step InstallationHassle-Free ChoiceEasy to UseCompatible Jack Foot: 5.5 x 5.5 in / 139.7 x 139.7 mm,Groove Depth: 7.5 mm,Support Height: 1.1 in / 28 mm,Item Model Number: CXFC06-4,Max. Load Capacity: 5000 lbs / 2.3 tons ( per pad),Product Weight: 11.7 lbs / 5.3 kg,Quantity: 4 Pcs,Product Dimensions: 8.0 x 8.0 x 1.9 in / 203 x 203 x 49 mm,Main Material: Rubber