* Material：Hss, Titanium Coated
* Shank Size：1/4" Hex Shank

* 7617-13(3~13mm)

  Hole Size：3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13

* 7617-25(6~25mm)

  Hole Size：6, 8, 10, 12, 14, 16, 18, 20, 22, 25

* 7617-35(6~35mm)

  Hole Size：6, 8, 10, 13, 16, 18, 20, 22, 25, 28, 30, 32, 35mm