GIVIMO Trailer Jack Block 4-Pack - 6000-lb Capacity per RV Leveling Block - Polypropylene Camper Stabilizer Blocks - For Tongue Jacks Posts ft 5th Wheels

6000-lb Capacity Per Block: PP T30 construction holds up to 6000 lb under tongue jacks - stabilizers and landing gear

Stackable for Height Adjustment: Blocks stack securely so users can level RVs on uneven sites without manual shimming

Drainage Hole Design: Built-in drainage prevents water pooling so jack ft stay drier and resist rust between trips

For Travel Trailers - Campers - 5th Wheels: Supports travel trailers - pop-up campers - motorhomes and 5th-wheel landing gear

UV and Oil Resistant Polypropylene: PP T30 resists UV - water - oil - tar and high temperatures for long outdoor service

Specification: Material: Polypropylene T30; Max Capacity: 6000 lb; Quantity: 4 pc; Support Height: 8 in; Net Weight: 20.39 lb / 9.25 kg; Product Size: 9.65 x 9.65 x 8.03 in / 245 x 245 x 204 mm; Package: 26.65 x 10.24 x 10.24 in / 677 x 260 x 260 mm