MK Diamond 156732 MK-303 30 by .125 by 1 inch - Segmented Rim is a lapidary blade. It is professional grade. The MK-303 Professional grade diamond blade has been designed for cutting rare and valuable materials when waste needs to be held to a minimum and speed of cut is essential. The MK-303 produces smoother cuts, lasts longer and cuts faster than notched rim or plated diamond blades. Designed for use with a water soluble coolant. Blades 16 inch and larger have segmented rims.
From the Manufacturer
MK Diamond 156732 MK-303 Professional 30-Inch diameter by .125-Inch wide by 1-Inch arbor diamond lapidary blade produces smoother cuts and is used for cutting rare and valuable materials when waste must be held to a minimum and speed of cuts is essential. The professional series diamond blades last longer and will cut faster than ordinary notched rim or plated diamond blades.