The Vossen 35mm lock nut set in black comprises four locking nuts sized for 12x1.25 threads with a 19mm hex and cone seat, intended for wheel fasteners that require that thread and seat geometry. Sold as a set of four, these 35mm black nuts provide the specified 19mm hex interface and length for 12x1.25 cone-seat installations.
Vossen 35mm Lock Nut - 12x1.25 - 19mm Hex - Cone Seat - Black (Set of 4)