Replace old, unsightly or missing door knobs on your bi-fold doors with these diecast white, large diameter door knobs. With a wide 15/16 inch outside diameter base, (that will not crush a hollow door panel when installed), and a 1-11/16 inch large diameter makes gripping and pulling easy. Installation is quick and easy and everything needed is provided – 1 bi-fold door knob per package with 2 fasteners. These door knobs are used by many wardrobe door manufacturers. Made with zinc die cast construction and a classic white finish, these door knobs are strong, durable and made to last. This door knob has an 1-11/16 inch outside diameter, 1-3/8 inch reach and 15/16 inch base diameter.