Add or replace a drop leg for your Bulldog square trailer jack with a 2″ square inner tube. Gives you 18″ additional height for your trailer jack. Features: Add or replace a drop leg for your Bulldog square trailer jack with a 2″ square inner tube Gives you 18″ additional height for your trailer jack Includes pin to secure to your jack’s inner tube Specifications: Height: 18″ Tubing width: 2″ Footplate width: 6″ Capacity: 8,000 lbs. Fits: Bulldog square trailer jacks with 2″ inner tubes