Spring loaded design: allows the free opening and closing of gates by automatically adjusting
the height on uneven floor while avoiding sagging the gates. Heavy load: the nylon metal gate
has a maximum load capacity of 220 lbs and can also be exposed to chemicals and solvents. Shock
absorption: the nylon metal gate wheel with a load capacity of 220 lbs is easy to move and
roll. Opening and closing the gate is easy. Manufacture material: the high-performance castor
with gate drive is made of high-quality nylon material and a metal construction which is
robust and durable. Mounting Plate: High performance universal mounting plate with 4 holes for
easy attachment to wooden gates or along horizontal or vertical rails of a tubular yard gate.