[Product Information]

1. 【INCREDIBLY EASY TO USE】 - With 400 grit for damaged edge repairing and 1000 grit side for finishing and maintenance, it is so simple to use as to learn. Included is a detailed user guide that will take all the mystery out, and instructional video available upon request. And don't forget, this whetstone is intended for use with plain water rather than oil. It really couldn't be any simpler.
2. 【SUPERIOR BUNDLE】 - All you need for professional sharpening: a double-sided (400/1000) whetstone; a non-slip rubber base for a secure hold, as well as an user guide. But there's one more thing: an angle guide as a free gift that will allow you to sharpen like a pro from the first use (limited-time offer, act fast).
3. 【UNIVERSAL USAGE】 - UNIVERSAL USAGE: With an optimal size (7.09 x 2.36 x 1.18 inch), our whetstone is suitable for a wide range of blades including kitchen /tactical /hunting /outdoor/gardening/ woodworking, etc., with the exception of serrated blades and ceramic knives.
4. 【PREMIUM QUALITY】 - Made from professional-grade corundum (aluminum oxide), the quality of our product has been ensured through functionality and durability testing, as well as inspection by a reputable third-party company.
5. 【RISK-FREE WARRANTY】 - We are so confident with our product, that if for any reason you are not satisfied with your purchase, we will do everything in our power to remedy the situation. Additionally, we are providing a 30-day money-back guarantee, no questions asked.