ZETA and DRC products are distributed over 50 countries now. They ride dirt bikes. They develop products for dirt bikes. They test, manufacture and supply high quality products for dirt bike riders. Lightweight, durable aluminum axle stop bolt. Made of air craft 7000 grade aluminum with anodized finish. Self lock nut design. (Except front and KTM / Husqvarna rear axle nut.) Color anodized finish, available blue, red, orange, green and Husqvarna blue. ZETA laser printed logo.