Our 15mm Straight Rail is aluminum with a tough clear anodized finish, to protect against oxidation in the harshest indoor/outdoor conditions. Standard rail length is 196.85” (5 m), can be cut per customer request. Comes in set of 2. This keder rail accepts 8.5 - 15mm keder. This 15mm Straight Rail is designed to fit our Crocodile Hangers® Roller for Square Track, which are plastic hanger components that are used to hang tent sidewalls, curtains, awnings, and banners. Call (888) 727-7050 or Contact Us for a Quote on purchase and bulk options