Threaded Chain Knockers With 1/2" UNC Threads and Starbit

USE OF TOOL WET GRINDING As a technique, it is highly recommended to use water when cleaning pipes with the chains. Water flushes out all debris while you work and therefore prevents excess build-up of debris or blockages resulting from such build-up. SAFETY INFO NEVER ROTATE THE TOOLS OUTSIDE OF PIPE! ∙ DO NOT USE WITH HYDRAULIC ROTATOR! DRY GRINDING This method is based on using vacuums to suck debris and waste from the drain during the grinding process. All without water. For example, kitchen lines often have blockages that require cleaning a line with holes in it so this requires the cleaning process to be done without wate