This is a spring-loaded, 11/16 in. diameter nylon roller guide in a 7/16 in. plastic base. It mounts on the top edge of a wood bi-fold door that is 1 in. to 1-3/8 in. thick. Commonly used by Cox as well as a variety of other bi-fold door manufacturers.

• Used by Cox as well as a variety of other bi-fold door manufacturers
• 11/16 in. diameter flat roller
• Maximum weight limit of 30 lbs
• Plastic base
• Spring-loaded 7/16 in. diameter base
• Easy to install
• No tools required for installation
• For further dimensional information, please see the line drawing