Does this R0828/M6 rack rail come is other sizes like 4U?
Thank you for your enquriy,
Yes this product comes in many size, 4u can be found here - https://www.pennelcomonline.com/en/Penn-Elcom-4U-1032-Tapped-Rack-Rail-R0828-04/m-6680.aspx
Regards
PennElcomOnline