ROLLR POCKT DR CD2 *Brand Name: Prime-Line *Diameter: 7/8 in. *Length: 0.25 in. *Finish: Zinc-Plated *Material: Nylon/Steel *Product Type: Roller Assembly *Number in Package: 2 pk *Hardware Included: Yes *Packaging Type: Carded *Maximum Door Length: 1-3/4 in. *Minimum Door Length: 0.75 in. *Compatibility: Acme Doors *Discovery ACC