3D Printer Parts Extruder Upgrade Kit Spring Aluminum Block Accessories for CR11Ender3

Feature: 1. For MK8 extruder drive feeding kit can replace bad acrylic parts of CR?10, CR?10 S4, CR?10 S5. 2. Using special for Bowden tube connector, suitable for all 1.75 mm filaments, strong adaptability. 3. Complete tools, you can operate it yourself, suitable for DIY enthusiasts. 4. Convenient to use and with good performance, with small size, easy to carry and store. 5. With strict quality control and quality assurance, high safety factor, can be used with peace of mind. Specification: Item Type: 3D Printer Parts 1. Mainly an improved version of CR11 full metal extruder for 3D printer accessories 2. The accessories have aluminum blocks and pneumatic connectorsSize: Approx. 1.75mm 0.1in . Package List: 2 x Aluminum Block1 x Spring1 Package Screw AccessoriesFor MK8 extruder drive feeding kit can replace bad acrylic parts of CR?10, CR?10 S4, CR?10 S5. Using special for Bowden tube connector, suitable for all 1.75 mm filaments, strong adaptability. Complete tools, you can operate it yourself, suitable for DIY enthusiasts. Convenient to use and with good performance, with small size, easy to carry and store. With strict quality control and quality assurance, high safety factor, can be used with peace of mind.