Pylex 13902 Steel Stair Riser 2 Steps Stringers， Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Durable baked powder coating finish</li><li>Pre-drilled holes for stairs attachment</li><li>Treads of 10-1/4-inch - risers of 7-1/2-inch</li><li>Sold as a single unit， 2 units or more are necessary to build a Stair</li><li>Consult your local building code to make sure this product complies to it</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31AUEnGHsgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/61N89Ucdq9L.jpg" noproxy>