Includes 2 rollers and a post (bolt on) for a any width gate frame. Simply bolt the bracket onto a post adjacent to your gate the other bracket to the provided post after it is sunk in cement after positioning. The rollers will hug the gate frame and keep the gate from tipping over. The bracket is made from steel and the rollers are made of rubberized UV protected hard plastic. Designed to stand up to the rigors of even the most extreme climates - these rollers will last for years and are maintenance free due to the internal sealed ball bearings.

3" tall would be for gates with a flat top, 12" tall would be for gates that have an arch top (12" difference from trough to crest max) so the top frame will be on the roller at all times.

	GateCrafters.com has the resources you need. How do you use your gate opener system once you get it? GateCrafters.com is the only retailer to give a real answer to this question. We have develop videos for installing many of our gate openers and products and write DIY focused manuals for most gate openers and have individual instructions for each accessory to be installed with each gate opener.

	GateCrafters.com has actual experience. We have a testing area, we have factory and internal training courses, we build gates and have our own gates that are automated, we attended all industry trade shows in multiple countries and are a member of the AFA, and we pay visits to our chosen manufacturers' factories. All these factors are what have lead to us having so many exclusive additions. When you see and actually use as many products as we have you tend to have many ideas for minor changes that have major impacts. We acted on these ideas and have utilized them to help thousands of customers automate their gates.