The Flat-Plate Motor Mounting Fastener Kit is designed to mount (1) flat-plate boat lift motor to a gear plate assembly. Includes 4 nuts, bolts and washers. All fasteners are 304 stainless steel. When a motor and gear plate are combined that is what makes it a flat-plate hoist. The flat-plate hoist motor mounting kit mounts to gear plates. Does not work on installing a C-Face direct-drive hoist motor to a reducer gearbox.