[1  & 2   Shank |  2-1  & 2   Cutting Diameter.]

[1  & 2   Square Blades Pack of 10]

[1  & 2   & 7  & 8   Shank:2.5   & 1   Cutting Diameter.]

[1  & 2   Shank - 2   Cutting Diameter]

[1  & 4 inch shaft - 3.8 cm cutting diameter.]

[1  & 2   R4 Round Blade 10 Pack]