Key specifications, metalli 3d printer filament available 1.75mm and 3.0mm, diameter tolerance +/-0.05mm, available 5 colors, customized color, certifications: rohs, sgs, ce, inner pack: 1 spool/vacuum pack with desiccant/inner box, outer packing: 8 boxes/master carton, applications: makerbot, up, cuify, leapfrog, creatr, builder, reprap, felix, ultimaker and other fdm 3d printer, 3d pen, , special features, good gloss, resistance to corrosion, perfect for rustic and metallic finish, can be grinded and polished, recommended working temperature: 195 c-220 c,