Features:Material: 3D printer accessories, made of metal, brass and siliocne materials, durable and solid.Nozzles: 9Pcs nozzles set: 0.4mm, 0.3mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm nozzles fit 3D printer, difference size, satified your every need.Replacement Parts: These parts can replace the old or damaged part of the 3D printers.Durable: Must-have accessories for your Artillery: upgrade arm, more durable.Thermistor: Set comes with thermistor: built-in NTC100K thermistor size 3x5mm/0.12 x 0.2inch terminal XH2.54 2pin male head with terminal cable length 70mm/2.76inch.Heating Rod: Set comes with 1Pc x heating rod: 24V, 64W, size 6x20mm/0.24 x 0.79inch, terminal VH3.96, 2PIN, male shell, cable length with terminal 50mm/1.97inch.Specifications:Item Type: Extruder SetMaterial: Metal, Brass, SiliconeColor: As Shown3D Printer Nozzle Size: About 4Pcs x 0.4mm/0.02inch, 0.3mm/0.01inch, 0.6mm/0.02inch, 0.8mm/0.03inch, 1.0mm/0.04inch, 1.2mm/0.05inchPacking Size: About 8 x 12 x 12cm/3.15 x 4.72 x 4.72inchPackage Includes:1 x Extruder SetNotes:Transition: 1cm=10mm=0.39inch1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 1-3cm measuring deviation due to manual measurement.