Answer
Apr 05, 2017 - 12:00 AM
Thank you for your inquiry. The 60173 options are :Tandem Rails (60174) , Add-on Rails (60175), and Casters (60110) and (60109). You can add these to your order in the cart using the SKU field below 'Continue shopping' or by going to the item by entering those sku's in the search field on the main part of the website. Please let us know if you require additional assistance. Thank you again, have a great day!
