Frequently Asked Questions
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What makes Halfmoon Knife Sharpener different from other sharpeners?

Our HM1 Professional Precision Knife Sharpener features a unique design with two innovative structures. The combination of the two innovative structural designs ensures that once the angle is set, the blade maintains a consistent curvature throughout the sharpening process, achieving a highly desirable appearance of the blade's curved edge.

What's the sharpening angle range of HM1 sharpener ?

Sharpening Angle Adjustment Range: 13° - 31 °

How Often Should I Sharpen my knife?

Sharpening isn’t a one-time fix — it’s an ongoing process. Even the sharpest blade will lose its edge over time with use, so repeated sharpening is necessary. While you could wait until the blade fails to cut, the ideal time to sharpen is before you notice any decline in its cutting performance. A drop in cutting ability signals the edge is dulling, and the duller it gets, the more effort you’ll need to exert when using it. Keeping the edge consistently sharp makes tasks much easier.

Are there safety precautions I should follow?

For personal safety, always use protective equipment during sharpening—including gloves and a dust mask. The mask filters out fine particles, and gloves protect against accidental cuts from sharp edges.

How should the knife sharpener be stored to maintain?

To preserve tool performance and longevity, store it in a dry, well-ventilated area with stable temperatures. Avoid exposing the tool to moisture or extreme heat, as these can degrade its functionality. When not in use, ensure the tool isn’t subjected to impacts or pressure, which may damage its structure or compromise sharpening accuracy.

What is the warranty period for this knife sharpener?

We provide a 5-year warranty for manufacturing defects. And proof of purchase or product registration required.

What payment methods do you accept?

We accept a variety of payment methods including credit cards (Visa, MasterCard, American Express), PayPal, and Apple Pay.

Is my payment information secure?

Yes, we take the security of our customers' payment information seriously. All transactions are processed securely and we use industry-standard encryption technology to protect your information.

How long does shipping take?

Shipping time varies depending on your location and the shipping method you choose. Please refer to our shipping policy for more details.

How much does shipping cost?

Shipping cost depends on your location and the shipping method you choose. Please refer to our shipping policy for more details.

How can I provide feedback?

We welcome and value your feedback! You can leave us a message through our contact page on our website, or email us at service@halfmoonsharp.com.