Precision cutting, clear lines】Offers three precision distances of 1mm/2mm/3mm, with an error of only ±0.01mm, meeting various testing standards. Highly straight tooth tips and widened tooth apex ensure clear and regular grid boundaries, resulting in more accurate test results. Hardened and wear-resistant】The blade undergoes special hardening treatment, resulting in strong and sharp teeth and significantly extended service life. One blade is equivalent to several ordinary blades, suitable for long-term, high-frequency use. Choose your blade as needed, accurate testing】 Easily select the blade based on coating thickness and substrate type: 0-60μm hard substrate -1mm / soft substrate - 2mm; 61-120μm any substrate - 2mm; 121-250μm any substrate - 3mm. Edible design, professional and convenient】 Comfortable wooden handle provides a stable and non-slip grip. Replaceable blades, with a hex wrench included, make replacement simple and quick. Service: We place great emphasis on our customers' shopping experience. If you have any questions, please feel free to contact us; we will respond to you within 24 hours!