1、The groove in the iron rod is designed to control the ball and rotate. 2、The cap is designed to prevent injury to the injured hand and product. 3、Frequently used clubs not only fill the grooves with grooves and dust, but also damage the edges of the grooves. 4、The groove sharpener tool removes the curved metal and dust into the groove of the club and resharp the groove. 5、Keep clean by removing dirt, sand and gravel accumulated over time while also sharpening the edges. Improve your performance - you don't need to throw away old golf clubs and buy new golf clubs. The Golf Trench tool helps you sharpen, clean and re-lay your old golf clubs, significantly improving the back spin and using your short distance game for better ball control. Durable - The Golf Club Groove Tool is made of high-strength stainless steel to ensure years of durability. The cap is designed to prevent injury to the injured hand and product. Easy to use - When using the groove sharpener golf tool, the extra long 4-inch knurled handle gives you great grip. You can easily use U and V slots. Suitable for all golf clubs - Perfect for CALLAWAY, CLEVELAND, NIKE, PING, TITLEIST and other leading irons, including sand wedges, Lob wedges, crevice wedges, close to slopes and other golf utility clubs. Specifications - The groove tool is 4 inches long and weighs 33.6 grams. Packed in a transparent plastic tube. 1 x Golf Club Groove Sharpener Re-Grooving Tool