The easy way to drill precision holes and create fine details while still using your standard size diamond drums!Standard 100 Grit for multi-task use.

Key Features

• 1/8" (10 mm) holes.
• Works right on top of larger diamond drums, no need to change or remove your 1" drum before using.
• Standard 100Grit for multi-task use.
• The brass cores are manufactured on "Swiss precision" machinery for consistent and accurate tolerances.
• Drums are measured for true before the diamond is applied, so they spin properly on the motor shaft.

Fits .312" (7.92 mm) arbor
TIR <.0025" (.0635 mm)