Application: Widely used in Reprap Prusa I3 3D Printer. Compatible with all 1.75mm PLA ABS filaments Specifications: Nozzle Throat Outer Screw: M6, Nozzle Throat Inner Diameter: 0.2 inch (4 mm), Nozzle Throat Inner Diameter (Separate): 0.08 inch (2 mm), PTFE Tube Inner Diameter: 0.08 inch (2 mm), Filament Diameter: 0.07 inch (1.75 mm), Throat Length: 1.2 inch (30 inch (30 mm) Material: Stainless Steel Package Content: 1 inch (30 mm)