1. Premium Iron Construction Saw Blade Sharpener : Built from high-grade iron material, this circular saw blade grinder features outstanding wear resistance, shock resistance and anti-deformation performance. 2. Accurate Angle Adjustment for Precise Sharpening : The grinding wheel is preset at a 20° base angle to deliver precise sharpening with less labor effort. It supports 30° left rotation and 40° right rotation via the operating handle. 3. Low-Noise High-Efficiency Power Motor : Fitted with a robust 550W motor running at 2850 RPM, this saw blade sharpener operates quietly while maintaining high working efficiency. 4. Strong Compatibility & Multi-Purpose Use : It supports sharpening multiple types of saw blades including alternate tooth, left-right tooth, trapezoidal tooth, fine tooth and alloy saw blades, covering a blade diameter range of 80–700 mm. Apart from blade sharpening, the machine can also process wood, plastic and aluminum materials. 5. Compact Durable Design for Scenarios : Lightweight, corrosion-proof and rust-resistant with a long service cycle, this circular saw blade grinder can handle wood, plastic, aluminum alloy and more materials. It is widely applicable to carpentry work, wall panel processing, furniture manufacturing, decoration engineering and household DIY projects.