Designed with is detachable screw, you can select a suitable one to adjust the position of the coarse and fine grinding core according to the thickness of the ice blade, which is easy to use. You can use this product for polishing and sharpening the worn ice skate through moving lightly back and front, which is nice-looking, compact and powerful. Made of stone material, this product is durable and sturdy. The length of this product is 6.5cm, height is 3cm, and thickness is 2.5cm. It is suitable for ice hockey and figure skating. Item Name: Skate Sharpener Material: Stone Color: Black, Red, Green, Blue Features: Small Size, Easy to Carry, Convenient Size Details: 6.5cm x 3cm x 2.5cm/2.56" x 1.18" x 0.98" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Skate Sharpener