Brand Name: Prime-Line
*Material: Plastic
*Product Type: Bi-fold Door Guide
*Number in Package: 1 pk
*Width: 7/16 in.
*Packaging Type: Carded
*Length: 1-7/16 in.
*Commercial or Residential: Residential
*Application: Bi-Fold Doors
*Hardware Included: Yes
*Diameter: 3/8 in.
*Mounting: Floor mount
*Spring loaded top guides has square nylon guide tip
* Fits a 7/16 in. inside track slot
* 3/8 in. outside diameter nylon base
* Used by Alliance and others