Descriptions: This kit can work perfectly with your installed E3D hotend and will allow users to upgrade their 3D printer's entire extrusion system. This kit can compatible with both 1.75mm and 3.00mm filament and easily swaps between the two if needed. Features: - This item is the Replica of Original Titan extruder. - Titan: A Next Generation Extruder for your 3D printer with 3:1 gear reduction, high power performance. - It is used with J head V6 hotend. - As the pictures show, this set is including the 1.75mm and 3.0mm Bowden adapter, you can change it easily from one filament size to another, very convenient. - Quantity: 1 Set (other accessories demo in the picture is not included) - Suitable for mounting V5 and V6 extrusion heads. Remote short-range exchange. Note: 1. Do not include motor and extrusion head.