1, Finish:Normal nickel plated as J-B-(A) or J-B-(B) and Black nickel plated as J-B-(C)

2, Teeth:There are 3 different teeth types as (A)old, (B)new, (C)new

3, Body:Same as the Carbon Steel Hole Saw body, it makes your cutting job easier and lower cost

4, Size Range From 19mm to 140mm

5, Arbor:The UKJ-B type diamond Hole Saw must be used with the arbor together.

6, Function:It's able to cut holes in Glass, Tile, Ceramic, Marble and Granite etc.,

7, Drill:The glass drill in the arbor can only cut holes in glass,if you need to cut other materials, you must take the drill off and if possible, it's better to use with the drill guide

8, Diamond Teeth: We have three levels of quality, 40/50Mesh(Top)50/60Mesh(Good)80/100Mesh(Medium)