This chastity device is made from surgical-grade stainless steel allowing easy insertion. The length of the penis plug is adjustable and can be changed to your desired size. Start off with short insertion then increase the penetration as the endurance increases. Measurements: 75 mm insertable Tapered at the top. Shaft 7 mm in diameter.-Cock ring diameter 45 mm. Comes with Hex key. For experienced players in male chastity!