Seller: phoupt2yr6 (672) 100% , Location: Mercersburg, Pennsylvania, Ships to: US, Item: 192027957591 Richards / Wilcox pocket door hardware patent May 24 1881 Aurora Illinois Wheel diameter 4"......length of assembly 9-1/2"......height of assembly 6" ............depth of assembly is 2-1/2".......space between double wheels 5/8" These still have the mounting brackets that fasten to the top of the door. Many I see pictured are either missing or broken. I believe you make the roller track itself out of wood from what I see with online search. I will try to take many pictures to show condition. Feel Free to ask any questions. My items are shipped from a smoke free home. I accept Paypal only and will ship anywhere in the United States. Thanks for looking. **Feedback and ratings are very important to me, I take great pride in my products and service. If you are satisfied please leave positive feedback, if for any reason you are not, please notify me. I leave feedback after I know you are fully satisfied with the transaction through communication, feedback or the lapse of the return period. Thanks:) ** Condition: A little surface rust but overall look good and sound.