These truss shelf brackets have plasma cut pockets for strength and lightness. Perfect for industrial-style decor, add a hint of steampunk to your space! At a glance: Designed for under-mounted shelves. Works best with any thickness of shelf. Compatible with many hardware store shelf rail systems with 0.75" x 0.125" slots. Made of strong 1/8" steel Listing is for 1 pair (2 pieces) - does not include rail or fasteners. Pictured is 8" bracket in raw steel, no coating. Shelf material shown is 2" thick. These are handmade, and made to order, and depending on shop load, there may be a bit of lead time. Any questions? Please let me know!