A 4-speed gear stick shift knob design makes these stainless steel and black enamel cuff links distinctive and fun to wear. The circular tops measures approximately 16mm (5/8 inch) in diameter by 13mm (1/2 inch) in width. M8252 Crafted with stainless steel Features a polished finish Approximate diameter 16mm (5/8 inch) Black Enamel Details Includes a custom Black Bow Jewelry Company gift box