With this drill block, you can drill perfectly straight holes everytime.
Manufactured from heavy duty 6061-T6 aluminium
Four most popular aerospace drill sizes installed including: No40, No30, No21 and No10
All drill bushings are precision hardened for longevity.
Feet on base to allow for chip ejection.
Drill sizes are engraved for ease of use.
Works well on curved or flat surfaces.