Quickly and Easily Adds a Sound Bore or Vent
- Works on silicone, vinyl or ADCO Mold
- Plunger removes the core that is cut from the earpiece
- Set of three core drills (one of each size below)
- Core drill for tubes, 0.120"/3.05mm
Core drill for large bores, 0.148"/3.76mm
Core drill for venting, 0.065"/1.65mm
Note: Drills also available separately
