Special copper plated Prime model.
MKS (Mikashima Industrial)
MKS has concentrated on bicycle products since 1946. Having been producing pedals and straps for such a long time, you would expect them to be getting it right, and they do. Producing some of the best track pedals and the hardest wearing straps available, MKS produce a number of NJS stamped components, a sign of the utmost quality in Japanese gear.