Patented Mighty Wheel Trailer Jack. SEACOAT finish to withstand the harshest marine environments. Has a 4" wide by 8" tall wheel for easy travel and durability. Dual locking release pins for added strength. Fits on tongues up to 3" x 5" and provides 27" of lift and 14" of travel. Built-in grease fitting to keep gears and shaft well lubed for long lasting performance. Power-Grip ergonomic handle and galvanized arm. Galvanized hardware included. 3 year warranty.