Camco Fasten RV Leveling High-Gain Base - Nesting Design for RV Storage - Convenient Carry Handle - Compatible w/Square RV Leveling Blocks and RV Jacks - Supports Up to 8,000lbs, 2-Pk (44539)

• Unbeatable Camper Levelers: These (2) FasTen RV Big Blocks provide a stable & level foundation for your stabilizer jacks when the ground is out of reach.
• Free Up Your RV Leveling Blocks: Use these versatile Big Blocks to compensate for the use of stacked RV stabilizer blocks. Now you can use your camper blocks for other purposes.
• Easy To Use RV Stabilizer: Place a Big Block base under a leveling jack foot. They can be used alone or with camper leveling blocks set on top.
• Compatibility: The block tops hold 2x2 FasTen Leveling Blocks & some square leveling blocks from other brands.
• Compact Storage & Portability: Save space in storage with the compact nesting design. A convenient carry handle easily twists to secure the two Big Blocks together for simple transport.
• Weight Capacity, Dimensions, & Construction: Each durable resin RV block measures 12" x 12" x 5" and supports up to 8,000 lb.