5" x 1-5/8" to 2" Safe-T Malleable Rear Wheel Assembly for Chain Link Rolling GatesGates are excellent security additions for residential and commercial settings, but only if they're able to open properly! A rear wheel assembly is an essential part of rolling gates! The rear wheel assembly attaches to the end of you rolling gate and is how it rolls down the roller pipe! Rolling gates need 2 per gate. Fits 1 5 8" nominal actual to 2" nominal, 1 7 8" actual gate frames 5" wheel Galvanized steel Corrosion resistant Actual product(s)