Hole Cleaning Blow Pump
This handy tool is ideal for clearing a newly drilled hole of dust and debris. This is important when using resin or physical bolts to maintain proper adhesion or a secure fixing.
After drilling a hole, insert the nozzle into the base and depress the plunger. The air forced through the nozzle will blow out any loose particles. Repeat if necessary.
You may also want to consider using a Hole Cleaning Brush.