STRONG LOAD BEARING SUPPORT - 4-inch heavy rubber wheels with ball bearings, shock-absorbing and wear-resistant, silent and non-slip, smoother operation, thickened black spray-coated plastic steel plate, each door caster has a maximum load capacity of 220 pounds, and can also be used on uneven floors.

SPRING SHOCK ABSORBER WHEEL - The fence gate wheel adopts a built-in spring shock absorber design, which effectively reduces spring wear while maintaining appearance. Adjustable spring tension allows for a stretch length of 0 to 2 inches, automatically adjusting the door's height based on the surrounding terrain.

360° SWIVEL CASTER - Fence gate wheels feature a 360° rotating top plate for easy maneuvering in any direction. This allows you to easily change the direction of the door to suit your needs. Additionally, the wheels are equipped with brakes to provide a stable, safe stop wherever you want.

EASY INSTALLATION - The spring loaded gate caster is easy to install, just install the 3-hole universal mounting plate on the wooden door with the included 3 bolts, 3 nuts and 3 washers (NOTE: Screwdriver NOT included)

WIDE APPLICATION - Fence gate wheels are suitable for various environments and terrains, whether it is grass, bricks, concrete or uneven ground. Great for mounting on wooden doors, iron fences, or other types of doors that require smooth rolling and easy movement.