Egg shell cutting: Just pull up the ball on the top and release, the spring mechanism cause a vibration and edge cuts boiled egg shell precisely. Good material: The Egg Cracker Topper made high quality Stainless steel. Multi functions: This tool takes all the hassle out of boiled eggs, so you can enjoy them more often! Or use it to crack raw eggs for easier baking. Easy to use: Easy to clean and last much longer. Designed for dishwasher safe and perfect for using kitchen or catering industry. Multi occasion: Perfect for soft and hard boiled eggs or raw eggs, give a healthy breakfast to you or your family, cooking healthy breakfest and making french dessert very efficiently with this topper.