Description:Condition: 100% brand newSize: Approx. 11 x 11mm / 0.43 x 0.43 inchInner hole: Approx. 5mm / 0.2 inchGear: Approx. 7mm / 0.27 inchQuantity of Tooth: 40 TeethModulus: 0.26Mode: 3DH-009AWith a M3 set screwApplication: Makerbot 3D printer extruderMaterial: CopperNote: This product is dedicated on MAKERBOT or 3D printer consumables only 1.75mm machine.Package Includes:1 x Drive Gear for 3D Printer