Adjustable Height: This Edge Trimmer is adjustable. The Edge Cutting Range can be 0.1 inch to 0.4 inch. You can choose four height of blade cutting. Very flexible and easy for you to cut the edge of your cups.
How to adjust the height of the blade: You can use a wrench to unscrew the screw of the cover of the blade to switch the position of the blade and the interlayer, and the height of the blade can be up or down. There are four levels of elevation, each about 0.1inch high, and you can find the right height you need.
Simple Cutting Method: First of all, you should put the cup flatly on the table. Secondly, gripping the cup and holding the tumbler shield firmly against it with one hand. Finally, what you need to do is to rotate the edge trimmer with your other hand. Keeping the side with the blade against your palm will make a difference in getting a straight and even edge.
