The shaft of this urethral plug measures only 3.25 in. long. It features a bent shaft end for easy insertion, control and safety. The end of the plug starts at 0.1875 in. (5mm) diameter and tapers up to maximum diameter of 0.3125 in. (8mm). The shaft bent end is 0.125 in. (4mm) in diameter. The plug is made of polished surgical stainless steel for maximum safety and hygiene. It is packaged in a plastic case suitable for storage.