The set includes three different size to cater to needs , with brass connectors enabling quick and efficient cleaning , making it a cost effective Choose for any toolkit Efficiently remove welding dirt with our 6mm / 8mm / 10mm three piece set featuring bristles and brass head , perfect for cleaning Welding joints , spots , and discoloration on various steel materials Perfect for use in workshops , construction site , and home garages , this Multifunction tool ensures thorough post Welding cleaning and metal surfaces Ideal for professional welders , metalworkers , enthusiasts , and anyone needing to clean metal surfaces effectively and efficiently designs with , acid and alkali resistant properties , the brush heads feature excellent conductivity and Temperature sleeves , ensuring long service in demanding environment, Manufacturer: ERRORY