A smooth shaft and a very gradual taper offer the beginner in urethral stimulation a gentle and safe introduction. The shaft of this plug measures only 3.25 inches long. It features a bent shaft end for easy insertion, control and safety. The end of the plug starts at a mere 3/16 inch diameter and tapers up to maximum diameter of 5/16. The shaft bent end is only 1/8 inch 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.Additional information: 3.25 inches overall length. Polished Surgical Stainless Steel. Very gradual taper to a maximum of 5/16 inch. Turned up end shaft for safety and control. Details weight 3 ounces. Color: Stainless Steel