Sharpen, clean and extend the life of your golf clubs with the Dynacraft Golf Groove Sharpener. The Dynacraft Golf Groove Sharpener Tool is designed to provide optimal back spin and control with your irons and wedges. Once you have removed any grass and dirt from grooves with water / soft bristled brush, run this tool down each groove 2 or 3 times with the appropriate cutter tip and within minutes your worn grooves will be revitalized. The 6 cutter head is made of high grade stainless steel and comes equipped with 3 U-shaped tips and 3 V-shaped cutter tips. Comes in a protective storage case and easily stores in your bag. Color: Red, Blue, Silver and Gold. Material: Stainless Steel