Description: Condition: 100% brand new Inner diameter: 5 mm Gear Toothed Length: 7mm; Outer diameter: 11mm Size(L*W): 11mm*11mm Quantity of Tooth: 26 Teeth Suitable for 1.75 Filament Application: makerbot 3D printer extruder Material: Copper Note: This product is dedicated on MAKERBOT or 3D printer consumables only 1.75mm machine. Package Includes: 1 x Extruder Nozzle For 3D Printer