Technical specs:

Size (diameter x tooth height)	Cutting Life (20mm Thickness Granite)
	Normal Bond		Long Life Bond
	Medium-Hard Granite	Soft-Medium Granite	Medium-Hard Granite	Soft-Medium Granite
105x8mm	75~85m	110~120m	150~160m	180~190m
115x8mm	80~90m	120~130m	155~165m	185~195m
125x8mm	85~95m	125~135m	160~170m	190~200m
150x8mm	125~135m	165~175m	125~135m	280~290m
180x8mm	145~150m	190~200m	280~290m	350~360m
230x8mm	215~225m	255~265m	400~410m	450~460m