This single-sided portable diamond sharpening stone by DMT is clean and convenient. You can use water as a lubricant or use nothing at all making sharpening on the stage mess-free.
The red surface is a fine grit for most double reed sharpening applications.
The convenient plastic handles flip open to provide stability when in use, then close to cover the sharpener when traveling.
It has a lifetime guarantee from the manufacturer and instructions included.
Measures 4″ x 1″.
Made in the US by Diamond Machining Technology