The Optimum Spray Gun applies perfectly even coats of Optimum Opti-Bond Tire Gel in record time with amazing consistency. This is a must have for detailers on the go as this application is extremely thick. It is almost a must have for enthusiasts who demand perfectly even coats with great control. Dilute Optimum Opti-Bond with an equal part of water and spray on to a perfect coat each time. The Optimum Spray Gun has a stainless steel pointed tip that offers great control to apply Opti-Bond accurately to tires of all sizes and wheel arches.