Slide this ring down the head of your cock to encircle your glans with merciless stainless steel! An optional plug pivots on the ring so that you can use it or not, depending on your sexual appetite. The ball inserts down your tip to provide intense stimulation. The pressure on your frenulum will drive you wild as your stroke yourself, get teased by your partner, or even just go about your day! This unique tool for your shaft will give it the treatment it has been desperate for! Measurements: Ring has a 1 inch, or 25mm diameter. Plug inserts .8 inches, or 20mm. Ball diameter is .3 inches or 8mm. Material: Stainless steel.