This robust Faithfull 10mm diameter triple tungsten carbide tipped routing tool is suitable for use with most mains operated or powerful cordless power drills with a 1/2 inch capacity chuck. It has a working length of 30mm. Ideal for the quick and easy removal of old and soft mortar from between brick courses prior to re-pointing. The router can also be used for creating channels or grooves in plaster or cement skimmed walls when runs of electrical cable or pipework need to be recessed. Fully guaranteed from Faithfull Tools.