Detailed Product Description We do veariou shapes and sizes of grass mowing knives, such as two teeth, three teeth, four teeth, five teeth, eight teeth, multi-teeth, etc. #40, #50 carbon steel and #65 Mn steel with heattreatment could reach hardness over HRC41, which is good for grass cutting with extra long life. Plastic coating, Paint coating and Teflon coating are all available for customer ...