Instructions 1. Insert proper size cork borer into chuck. NOTE: Remember the hole will be the ID of the tube! 2. After making sure the borer is in the cog inside the chuck, tighten chuck so borer is held securely. 3. nnmm Place object to be bored on white nylon disk and lower borer to top surface. 4. Hold object to be bored with one hand while turning handle with other hand and slowly bore hole. 5. After hole is bored, eject the blank from inside the tube and push rod.