The American manufacturer Diamond Machining Technology (DMT) is the founder of interrupted surface technology for diamond sharpening equipment, and has been the market leader for diamond-coated sharpening equipment for years. The high-quality sharpening tools are manufactured at the company's headquarters in Massachusetts (USA).

• Monocrystalline* diamond particles guarantee a long service life and excellent material removal
• Uniform grit sizes and a dense diamond distribution for even grinding patterns
• Permanently flat and warp-free thanks to supporting plates made of steel or warp-free plastic with a nickel matrix
• Colour coding of various grit sizes
• 100 % made in the USA