100% new and high quality. HSS high speed steel circular saw blades High-speed steel blade set accurate, fast, precision cutting. Cutting speed, , accurate cutting. For cutting: wood, PVC pipe, soft metal, plastic, aluminum, glass steel, copper, thin sheet metal and so on. Precautions: When installed, saw blade installed in the electric mill to be inserted in . Because the electric grinding speed is high, the saw blade is big, the clip be less likely to cause the pole to throw the bend even to break off. In the case to meet the requirements to make use of a small diameter of the blade and low speed, speed should not exceed 20,000 rpm. Select the saw blade, the smaller electric mill, to choose the smaller blade. Saw smaller and more stable, too large saw blade prone to vibration, suitable for low-speed use. Product name: Saw blade Material: High-speed steel Color: Silver Diameter: . 22mm/0.86 inch ,25mm/0.98 inch 32mm/1.25 inch ,35mm/1.37 inch ,44mm/1.73 inch ,50mm/1.96 inch Inner Diameter: . 6.35mm/0.25 inch Thickness: . 0.8mm/0.031 inch Length of Mandrel: . 52mm/2 inch Shank Size: . 3mm/0.11 inch Arbor Size: . 6mm/0.25 inch Quantity: 7pcs Weight: 40g Package Include: 1x 22mm Saw Blade 1x 25mm Saw Blade 1x 32mm Saw Blade 1x 35mm Saw Blade 1x 44mm Saw Blade 1x 50mm Saw Blade 1x Extension rod Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.