Assembled extruder kit, easy to use, compatible with -6 3D Printer.All metal design, durable and wear resistant, high temperature resistance up to 260 Celsius.The inner wall of throat and nozzle is , small movement resistance of filament, the melting is sufficient, and the extrusion is .High quality thermistor and heating tube, fast temperature rise, high temperature control accuracy and good stability.With silicone protective cover, anti flame retardant material, good heat preservation effect, and effectively keep the heating block and nozzle clean. Voltage: 24VColour:Red+goldMaterial:Metal, brassSize:1.75 mm, Nozzle Size: 0.4mmWeight: 88g Package Contents:1 x Extruder Kit Only the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.