4.5 Level Helix For Bachmann E-Z Tracks (Radius 33.25″ and 35.50″)Fully modular and up-gradable MDF helix system.It can be assembled and disassembled in less than an hour, which enables you to move or change your layout and modify your helix with ease.Very strong despite being modular. Can be used as a single, double track helix.Fits Bachmann E-Z Tracks 44504 and 44507Inner track radius (44504): 33.25″Outer track radius (44507): 35.50″Vertical dist. between levels: 4″Total height to climb: 20″Width of rings: 7″Overall width: 77″Grade: 1.85%Levels: 4.5You can assemble all our helices clockwise or anticlockwise.Tracks are not included.SHIPPING We offer FREE EXPRESS shipping on many of our listings! Your order will be dispatched within 1 – 5 working days of receiving payment (Monday-Friday) depending on the item and you should expect to receive it in one or two days in Europe and in two-four days worldwide. In the very unlikely event that your item is lost or damaged during post, then WE are responsible and will issue either a full refund or replacement. RETURNS If you are not 100% satisfied with your purchase, you can return the product and get a full refund including shipment or exchange the product for another one, be it similar or not. You can return a product for up to 30 days from the date you purchased it. Other HO Tools and Accessories From Proses Click on images to see details and buy. . Visit our shop to see all tools and accessories for model railroaders.