Bosch Model 2608644294, outer diameter 250 mm, 90 teeth, Circular Saw Blade cuts clean and nice. The smoother and sharper edges of the blade can be used to cut 15-18 18mm solid ply boards. The blade is best for wooden, but the user can do acrylic and fibre/ plastic cutting easily as it has 90 teeth. It is designed with alternating symmetric teeth for smooth cutting of surface. This sleek blade is compatible with all wood cutting power tools. Circular saw blade is a disc consisting of teeth which can cut different materials using a spinning motion. The number of teeth on edge determines the speed, finishing and preciseness of the cut. The blade with fewer teeth cut faster but blade with more teeth gives a more elegant finish.