Keep your bi-fold doors gliding smoothly with this spring-loaded top guide pivot from Prime-Line. The 7/8" diameter nylon wheel self-adjusts in the track for quiet, reliable guiding, and the spring-loaded mechanism accommodates minor alignment variations. Designed for lead doors in standard bi-fold door systems.

• Spring-loaded, top-mount design for smooth door operation
• 7/8" diameter nylon wheel for quiet, reliable guiding
• Self-adjusting in track for consistent alignment
• Fits 1" to 1-3/8" thick bi-fold doors
• Rated for doors up to 30 lbs each
• Fits Cox-style tracks
• Includes 2 top guide wheel assemblies