Hiro Seiko 69854 3mm Alloy Nylon Nut S-Size (Black - 4 pcs) $4.95 / Tax included. Default Title Default Title Add to Cart Your Email Send This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply. Hiro Seiko 69854 3mm Alloy Nylon Nut S-Size (Black - 4 pcs)