Product Description Cantilever Gate Guide Wheel It's made of Q235 steel. The surface is zinc plated. It's an accessory for cantilever gates. We have many sizes guide wheel for 8 wheels, 5 wheels and some other carriage wheels. We also supply carriage wheel, like 3 rollers, 5 rollers in 60mm, 5 rollers in 68mm, 5 rolles in 50mm, 8 rollers, etc. We warmly welcome you to send us inquiry to ask for details !