*Model : M10 Name: M10 Saw Blade Connecting Rod Set; *The connecting rod is suitable for motors with a shaft diameter of 5 mm and tools with an inner diameter of 16 mm for cutting, polishing, grinding, sawing and other applications. *The studs are 10mm and can be used with most of the 16mm and 20mm/22mm/25.4mm bores on the market for saw blades and grinding heads. *The saw blade conneacting rod can be used with saws or blades for grinding, polishing, cutting. *Make sure there is no gap between the inside diameter of the saw blade and the spindle before working, and tighten the nut.