This kind of grass cutter with special Z type tips cut grass, weeds, lawn in good performance. This kind of grass cutter with special Z type tips cut grass, weeds, lawn in good performance.DiametermmBoremmTeethBody Thicknessmm18525.4361~1.223025.436/401~1.525025.436/40/60/801~1.525425.436/40/60/801~1.525525.436/40/60/801~1.530025.436/40/60/801.2~1.5 circular saw blade