Garage door rollers are an integral part of any and every garage door. These parts enable the garage door in getting opened or closed. Hence, they perform the vital function of providing the much needed mobility to the garage door. Garage door rollers come in various shapes and sizes. Some of these types can be: 1. Steel truck door roller 2. Steel roller with zinc stern 3. Sealed nylon roller with Zinc plated stern 4. Sealed nylon roller with stainless steel stern Not many people possess specialized knowledge when it comes to purchasing or replacing their garage door rollers. This…