Greetings!
Thank you for your interest in our listings.
This listing is HO scale.
What is being offered for purchase is what you see pictured in the photo(s), what you see shown is what you are purchasing, if you do not see it in the photo(s), it is not included with this listing. That being said, the following is up for your consideration:
1-Pair Athearn Blue Box 6 Axle Locomotive Drivelines. The spline shafts are 7/8" in length. These drivelines are used in the several 6 Axle Blue Box locos(SD40-2/SD45/SDP40/and similar wheelbase locos). All parts in this listing are very usable as is. We will gladly combine ship multiple purchases. Please feel free to contact us thru the eBay message system with any questions that you may have.