5 piece accessory kit includes 1 oz. Of rosin flux paste lead free solder sn99.25cu 0-3/4 dia. 0-13/16mm (0.031"") x 12.2g (0.43oz) 1 flux brush and 1 brass wire cleaner with silicone holder to ensure effective soldering joints and extend life of soldering tip improve solder joints apply lead free and rohs compliant rosin flux paste with flux brush to improve wetting and flow of solder for easier soldering and improved solder joints dry tip cleaning maintain tip cleaning and effectively remove residual solder from your soldering tools without damaging your tips with weller's soldering brass tip cleaner with silicone holder extend tip life use weller's soldering brass tip cleaner with silicone holder by simply plunging the iron tip into the brass coils that clean prevent rust and extend tip life versatile items in kit can be used with soldering irons soldering stations and soldering guns for electronic projects and repairs