7Pcs/Set Black Mini High Speed Steel Saw Web Round Rotary Cutting Blade Mandrel Discs Electric Grinding AccessoriesOOTDTY Feature: This set includes 6pcs circular saws in different sizes and 1pc extension. Compact size and lightweight, easy to carry. Made of high-speed steel, and sturdy. Very sharp, ideal for cutting wood. Good corrosion resistance, high strength and no deformation after long time use. It can cut plastic, wood, aluminum alloy and other materials. It has the characteristics of high-speed cutting and smooth incision, maximum speed of 2000rpm. Extension with saw blade only set, other demonstration accessories in the picture are not included. Specifications:Item Type: Extension With Saw BladesMaterial: High Speed SteelExtension Size: 50x3.17mm/1.97 x0.12inBlade Diameter: 22mm, 25mm, 32mm, 35mm, 44mm, 50mm Blade Thickness: 0.8mm Blade Hole Diameter: 6.35mm Color: BlackQuantity: 7pcs/set Installation Precautions: (Please wear protective safety equipment before installation)1. The connecting rod of the saw must be fully inserted during installation2. The screw at the top of the connecting rod must be tightened during the saw blade3. The speed of the machine with the saw blade should not exceed 20,000 rpmNote: Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Package Contents:6 x Saw Blades1 x Extension