➤ This 2-pack of black spring loaded gate caster wheels is designed to assist in opening and closing large heavy wooden gates, vinyl gates, metal tube gates, or metal swing gates. ➤ Unique spring built-in-design, extends spring’s service life while providing a more beautiful appearance. ➤ Adjustable spring bracket with up to 1-3/4” spring-loaded vertical travel, automatically adjusting gate height with surrounding terrain throughout the opening and closing cycles. ➤ 5 inches ageing resistance rubber caster with 360° rotation top plate, 250lbs maximum load capacity for each fence gate wheel. ➤ The package includes: 2 x gate casters, 8 x mounting bolts, 8 x mounting screws, and 8 x washers.