VEVOR Trailer Jack Blocks, 6" High Heavy Duty RV Leveling Blocks, Each with 6000 lbs Capacity, as RV Jack Stand, Stool, Camper Accessories, for Travel Trailers, 5th Wheels Class A/C Motorhomes, 2 Pcs Side Holes Triangular Reinforced Feet Recessed Area Adaptable to Any Terrain Multi-Purpose Design Easy to Set Up Support Height: 6.0 in / 152.4 mm (per block),Item Model Number: CXFC04-2,Max. Load Capacity: 6000 lbs / 2.7 tons (per block),Product Weight: 10.1 lbs / 4.6 kg,Quantity: 2 Pcs,Combined Support Height: 11.65 in / 296 mm,Product Dimensions: 9.4 x 9.4 x 6.0 in / 240 x 240 x 152 mm,Main Material: PP