Use this wheel to sharpen Channel-Z into the middle of the blade's hollow. Reduces the friction between ice and blade. Gives you x2 grip because of 4 edges instead of 2.
Combine with a more shallow hollow than you had before to increase glide even more.
Recommended that you sharpen 2-4 cycles every time you sharpen.
Only for SkatePal® Pro 3 and SkatePal® Pro 3 Long.