These bi-fold door knobs are constructed of diecast and come in a satin nickel finish. They feature a wide 15/16 in. outside diameter base which prevents crushing of door panel when installed on hollow core doors. Other features of this knob include a large 1-11/16 in. diameter pull for easy gripping and a 1-3/8 in. reach. These knobs are sold 1 per package with 2 fasteners, and they are used by many wardrobe door manufacturers.