The plug itself is a little shorter than the average plug, and a little wider. It starts at approx 5mm wide going up to 11mm and then decreased to 5mm again just before the topper ball. The overall length is approx 52mm ( approx 2 inches), once inserted just the 21mm diameter topper ball can be seen. Overall Length: approx 52mm External Diameter: approx 5mm - 11mm Topper Ball Diameter: approx 21mm Material: Medical Grade Stainless Steel |