•DON'T PUSH TOO HARD, let your ProSMF Drill Brush do the work!
•USE LOW RPMs - 1600 RPM MAX
•ONLY USE THE EXTENSION for hard to reach areas
•WHEN USING A STANDARD DRILL, insert the driver shaft at least 1 inch
•ALWAYS TEST on an inconspicuous area first
•COMBINE WITH CLEANING PRODUCTS for best results
•THINGS CAN GET MESSY! Wear eye protection and gloves for safety
•NEVER USE ON A HOT SURFACE. (Surface must be COOL)
•DO NOT SUBMERGE YOUR DRILL IN WATER