Just push the watermelon slicer tool into watermelon, watermelon cubes come out automatic. Prefect for make melon salad, fruit platter and much more.(Tips:The effect of the larger watermelon will be better).Windmill watermelon slicer with metric scale design, allows you to control the thickness of the cube of watermelon to 0-0.8 inches, and cut the watermelon pieces evenly.Stainless steel 18/8 Watermelon Slicer is an serve easy tool to allow quick cutting and serving of watermelon cubes smoothly and easily. After use, you can rinse it out with just water, and dishwasher safe.