Material:CHT Hard Steel Size:0.2mm 0.4mm 0.6mm 0.8mm Support:Wholesale Retail Discount Free Fast Shipping V6 Nozzles:3D Printer Parts Filament:1.75mm High Flow:impressora 3d pe as imprimante 3d accessoire:3D Printer Accessories Thread:M6 Feature:Highly-recommend for fast speed 3d printers Package include:1PCS