The Sharpal All-in-One sharpener is the most versatile sharpener in the market. No need to buy one kind of sharpener for one tool, Sharpal lets you sharpen most blades, including knife, scissors, mower blade, pruner, loppers, hedge shears, axe, machete, and more. It’s durable, safe to use, comes with 3 years of warranty so you can expect it as a long term tool in the house.