As you use your clubs, dirt can get into the grooves etched on the face, and the edges can become rounded, weakening your ability to catch the ball. By using this product, you can effectively cut away bent metal in the grooves and clean the edges! This improves ball spin and control. Also, cleaning the grooves with this product after a round will prevent deterioration due to rust in the grooves! Easy to maintain and lightweight, with an easy-to-hold design. You can also clean the grooves of your spikes and golf shoes at the same time. Comes with a dedicated case! We also sell other golf用品! Check them out here ↓ #SportsAccessoriesShop 【Size】 Main body: Approximately 11.5cm long Case: Approximately 12cm long 【Material】 Aluminum alloy 【Color】 Yellow 【Weight】 37g 【Specifications】 Compatible with V-grooves and U-grooves. 6 blades 【How to use】 Place the groove cleaner horizontally and slide it slowly at first, being careful not to apply too much force. Start working after securing it firmly. Increasing the angle of the groove cleaner will increase the amount of material removed, and decreasing it will reduce the amount. Adjust and shave until you reach your desired depth.