Challenge 3" Drilling Block [12 Pack]

Product Details: 

These 3" drilling blocks are for use with Challenge paper drills. This item is a 12 pack. Drilling blocks go into the base of the drilling table so that the bits can go beyond the paper without being damaged. Increase the lifespan of your Challenge paper drills with our 3" drilling blocks. With a 12 pack of blocks, you can easily insert and use your bits without worrying about paper damage.