3621 Andersen EZ-Block (Rectangle jack block) SEALS It includes four bolts for

It includes four bolts for secure mounting and four plastic well nuts to isolate the fasteners from all aluminum surfaces

you get more swivel in every direction than with any other 5th wheel hitch available

The CURT SecureLatch lunette ring offers enhanced security and maximum versatility

cruise control and electric over hydraulic Built-in reverse-polarity and short-circuit protection Limited lifetime warranty Assembled in USA

3621 Andersen EZ-Block (Rectangle jack block) SEALS It includes four bolts forWeight capacity: 2,000 lbs per EZ Block, including when double stacked Compatibility: Scissor jacks, pad jacks, post jacks Stackable height: Up to 2 blocks maximum Height: 8 inches single block, 14 inches double stacked Base dimensions: 12 inches x 8. 5 inches Top pad dimensions: 8 inches x 4. 5 inches Recessed post hole: 2. 5 inches diameter