These bi-fold doorknobs are constructed of zinc diecast and come in a satin nickel-plated finish. They feature wide 15/16 in. diameter bases that help prevent the crushing of hollow door panels, and their large 1-11/16 in. diameter pulls facilitate gripping, pulling, and pushing. These knobs have a 1-3/8 in. reach from base to outermost surface, and they are strong, durable, and made to last. Use these knobs to replace old, unsightly, or missing doorknobs on bi-fold doors. They are sold one (1) per package with two (2) fasteners, and they are used by many wardrobe door manufacturers. Installation is quick and easy and everything needed is provided - one bi-fold door knob per package with (2) fasteners.