USB powered design with leakproof construction delivers safe, environmentally friendly, and stylish operation that is easy to operate, use, and clean. power performance for fast sharpening Large motor delivers power for faster grinding and edge restoration, reducing the time you spend sharpening. Precise, even edge with adjustable angles Each sharpening angle can be reshaped to produce an even edge and fast rejuvenation. Provides better precision than traditional sharpening stones, helping edges stay sharp longer. Safe, straightforward operation No risk involved in use. Simply position the dull blade in the sharpening slot and achieve razorsharp results in seconds. 23 practical use scenarios Home kitchen: quickly refresh chef knives, utility knives, and other kitchen blades between tasks to maintain performance and safety. Workshop or office: restore edges on small blades such as scissors, box cutters, and utility blades for reliable cutting without extensive manual effort. Outdoor and garden: touch up pruning shears and similar handheld blades to keep trimming tasks efficient and precise.