DescriptionThis item is cleaning brush for removing rust, dirt, dust, impurities from your extruder, hot bed, nozzle of your 3D printer. Its brush head is replaceable, very convenient to use.Feature- Color: As shown. - Material: copper, iron, nylon - Size: About 19x10.2x2.5cm - Removing rust, dirt, dust, impurities from extruder, hot bed, nozzle and etc. - Works with most 3D printer. - 3 types of brushes for different impurities. - Made of material for lasting use. - A great gift for your friend and family.