ITEM NAME:5Pcs Throat Inputting Tube + 5Pcs 0.4mm Extruder Brass Nozzle Print Heads F D7J5 5Pcs Throat Inputting Tube + 5Pcs 0.4mm Extruder Brass Nozzle Print Heads F D7J5 100% brand new and high quality. Compatibility: 3D printer parts kit is compatible with all 1.75 mm PLA ABS printer. The nozzle throat inputting tube is made of good quality stainless steel. The nozzle print head is made of durable brass. Working temperature is 240 to 260 degrees Celsius. Item name: Nozzle Throat Kit Type: Nozzle Throat Material: Stainless Steel Color: Silver Outer Thread: M6 Nozzle Throat Outer Diameter: 7mm Nozzle Throat Inner Diameter: 4mm Teflon Pipe Inner Diameter: 2mm Length: 30mm Filament Diameter: 1.75mm Compatibility: 3D Printer Type: 0.4mm Extruder Brass Nozzle Print Head Material: Brass Color: Gold Size: 5x13mm/0.20x0.51inch Input Diameter: 1.75mm Output Diameter: 0.4mm Compatible: compatible with all 1.75mm PLA ABS 3D printer Quantity: 1 Set (other accessories demo in the picture is not included) Attention: Small parts, keep away from children. Package includes: 5 X 3D Printer 30mm length 1.75mm Nozzle Throat Inputting Tube (No retail package) 5 X 3D Printer 0.4mm Extruder Brass Nozzle Print Head Only the above package content, other products are not included. Note: Light shooting 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.