Hapstone RS Knife Sharpener (Official)

New knife sharpening system from the Ukrainian team of Hapstone that will surprise you with its efficiency and ease of use. If you want the knives in your kitchen, in your repair shop, or just for your hobbies to be always sharp then HapstoneRS is the perfect choice for you.
Since we have invested five years of our experience into development of the concept and design of the best sharpening system, now we can say that Hapstone RS is the finest knife sharpener on the market with its unique design.


• Sharpening of all types of knives
Our sharpening system is designed to be versatile and accommodate a wide range of knife sizes and thickness. Whether you have a small paring knife or a large chef's knife, our system can handle it all.
With a range of 40 to 230 mm in length and up to 6 mm in thickness, our sharpening system can easily sharpen all types of knives, from thin fillet knives to thick cleavers.
In addition, our innovative design ensures that your knife is securely held in place during the sharpening process, so you can be sure that your knife will be sharpened evenly and consistently every time.

• Ball pivot An innovative magnetic 360*
quick release module providing total sharpening freedom. Designed with durability and performance in mind, this module is made from high-quality materials that are built to last. Its magnetic attachment system ensures a secure and stable connection, while its compact size and lightweight design make it easy to use.


General characteristics of the Hapstone RS
• Weight: 88.18 oz (2.5 kg)
• Minimum blade length: 1.6" (40 mm)
• Maximum blade length: 9.1" (230 mm)
• Maximum blade thickness: 0.3" (6 mm)
• Minimum sharpening angle: 12°
• Maximum sharpening angle: 30°
Stone usage:
• 6" x 1" (150 x 25 mm)
• 4" x 1" (10 x 25 mm)
Maximum number of clamps on the bar: 4



In creating the Hapstone RS, we paid great attention to details and materials to ensure the best performance and durability of the system. Whole milled angled clamps are made of aircraft-grade aluminum, and the guides are made of high-quality stainless steel for durability and stability in operation.
The stone holder, screws, clamps, and the frame of the rotating module are made of solid aircraft aluminum. The heavy 8 mm steel base with silicone feet makes the sharpener absolutely stable.