Prince Albert Plug & Dual Glans This is the ultimate accessory for men with a Prince Albert piercing. Made of high quality surgical steel, this is a solid penis plug that can be inserted and secured by the double 27mm and 30mm glans rings. The glans rings are for safety and give a hot new look to this wand. approximate measurementsOverall length: 109mmInsertable length: 99mmPlug width (slimmest point): 5mmPlug width (widest point): 8mmInternal ring diameter (base): 30mmInternal ring diameter (head): 28mm