Lawn Mower blade : 1)Tooth No. can be 2T,3T,4T,8T 2)Raw Meterial :65Mn,50#,SK5,T8A 3)Color is black ,or as your requirments Lawn Mower blade :1)Tooth No. have 2T,3T,4T,8T2)Application :It's designed for cutting grass at golf court ,airport,football court,in gardens,parks ect3)Outer Diameter :200mm-255mm4)Hole Diameter is 20/25.4mm5)Packing showing ,