.it is for industry grade

.Alternate teeth,used for wood and mild plastic etc.

.size: 4 1/4"(110mm) with 24T,40T

     5"(125mm) with 40T

     5 1/2"(140mm) with 40T

     6"(150mm) with 24T,40T

     6 1/4"(160mm) with 60T

     7"(180mm) with 40T,60T 

     7 1/2"(190mm) with 24T,60T

     8"(200mm) with 40T

     8 1/4"(210mm) with 40T,80T

     9"(230mm) with 40T,80T

                                10"(250mm) with 40T,80T

                                12"(300mm) with 60T,100T

                                14"(350mm) with 60T,100T,120T

                               16"(400mm) with 60T,100T,120T

                               18"(450mm) with 80T,100T,120T

                               20"(500mm) with 80T,140T