The Excalibur(TM) level rail is made of pre-welded iron railing components that provide strength while its triple-coat finishing process ensures durability. The ramp installation is flexible, quick and easy. This ramp is economical, yet the sleek silver satin finish makes it look remarkably elegant. The ramps measures 34'' x 72'', (36'' x 72'' installed). This product is backed by a 15-year warranty.