UNI TWIN ALLOY BLUE STANDARD SIZED 7/8” SEAT POST. IT IS 15” AND SLEEVED INSIDE FOR EXTRA STRENGTH. IT HAS SCRATCHES AND WEAR FROM USE. IT HAS SOME CRIMPING WHERE THE SEAT WAS MOUNTED NEAR THE TOP. YOU WILL RECEIVE THE EXACT ITEM YOU SEE IN THE PHOTOS. THANK YOU FOR LOOKING AND CHECK OUT MY OTHER OLD SCHOOL LISTINGS!