3 swipes to restore the sharpness of your blade. Special skills are no longer required to sharpen kitchen knives to achieve a consistent 20° sharpening angle, as you can have the Smart Knife Sharpener. The Smart Knife Sharpener helps sharpen all types of knives as fast as just 3 strokes. It is designed with a strong suction cup and an ergonomic handle that work together to keep the sharpener in place. Wherever you go, camping or on a trip to the island, this compact and portable sharpener is always with you. FEATURES: OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.