Nut for the plate from inside the rear chrome hard top mount, Mazda MX5. Mazda part number NA01-R1-868 The product is a genuine Mazda hardtop rear deck lock plate nut for the MX-5 MX5 mk1 mk2 models from 1989 to 2005. Made by Mazda in Japan, this OEM part is designed specifically for hardtop roofs, ensuring a perfect fit and quality construction. The lock plate nut is a classic car part with the manufacturer part number NA01R1868, making it a reliable and authentic accessory for your Mazda vehicle.