Brand Name: Prime-Line
*Finish: Mill
*Color: White
*Material: Steel
*Product Type: Guide Wheel
*Number in Package: 1 pk
*Hardware Included: Yes
*Length: 2-1/2 in.
*Mounting: Top mount
*Width: 7/16 in.
*Packaging Type: Carded
*Diameter: 7/8 in.
*Commercial or Residential: Residential
*Maximum Door Thickness: 1-3/8 in.
*For 1 in. wide bi-fold door tracks up to 30 lbs. each
* Includes 2 guide wheels
* Spring loaded
* Nylon wheel