Sale price$279.93


Product Features

  • Punches holes for both 2-1/4" and 3-1/8" instrument mounts.
  • Works with aluminum panels up to 1/8" thick.
  • Drill template included to precisely align mounting holes.
  • Works with dash panel on or off the airplane.
  • Made of hardened tool steel.
  • Precision ground edges can be resharpened as needed.


It’s not easy to make a perfect instrument hole, but this tool will make it a snap. It’s a punch made out 4140 tool steel that has been hardened and precision ground to produce clean, flawless holes in aluminum up to 1/8” thick. Dual reversible design for punching both 2-1/4” and 3-1/8” holes. The template is a die-punched steel drill guide that fits into the instrument hole and allows you to precisely drill the mounting holes.


5 lbs (2Kg) shipping weight.

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