Preamer 40 Teeth Tungsten Steel Wood Cutoff Wheels Saw Blade, 4 Inch Circular Wood Saw Blade is made of construction-grade tungsten carbide. Fully Polished and Chrome Plated Surface provides a long-lasting usage life. It is more durable and heat-resistant with tungsten steel. This tungsten steel circular saw blades is designed for a professional finish in wood- particle board- hardboard and plywood. EASY TO OPERATE:The circular saw blade is 4.3 inch (110mm), has 40 Teeth. Thin kerf for fast and smooth cutting action and the arbor size is 4/5. Thin kerf and anti-stick rim for smooth, accurate cuts Computer-balanced plate reduces vibration.