Put this gear on your shaft and rev your motor until you red line This smooth cock ring features an attractive design, coupled with an extremely effective steel material that will keep you going for miles. Now you can enjoy a bigger, thicker, longer lasting erection, in a smooth, heavyweight ring that will last as long as you do. The stainless steel material is great for maximum retention, and is non-porous and easy to clean. No guesswork or tools needed, just slip it on and ride Measurements: 1.75 inches in diameter Material: Stainless steel Color: Grey