The product is a set of 3 Hager door hinges, specifically the BB1279 model in silver finish. These full-mortise ball bearing hinges are made of steel and are suitable for side and front entrance doors. With a mounting type of side mount and dimensions of 4.5″ x 4.5″, they are designed for commercial use in a professional setting. The high-quality material and finish ensure durability and a sleek appearance for your door hardware needs.