circular saw blade , it is a kind of high speed cutting tool.use the hard alloy with high steel made up.it has widely used in processing wood /aluminium and organic glass ect. and it can be used in processing high quality wood and repairing lawn and bush , the saw blade have excellent cutting function.the tip is welded by tungsten carbide alloy.it makes the saw blade sharp and lasting .it is suitable for cutting soft and hard material.