ITEM NAME:Upgraded Aluminum Bowden Extruder with 40 Teeth MK8 Drive Gear for Creality W5B6 ☆★ Product Details ★☆ Upgraded Aluminum Bowden Extruder with 40 Teeth MK8 Drive Gear for Creality W5B6 1.100% brand new 2.Suitable for TEVO Tarantula i3,Anycubic Kossel i3 Mega,Flsun i3,MP Select and other bowden extrusion 3d printers as well. 3.This upgrade parts can also work as MK8 extruder frame with some screws replacements. 4.DIY kit and you need to assemble by yourself. Special bowden tube fitting:PC4-M6;Fits for ID:2mm OD:4mm Tube; Brass Drive Gear:40 Teeth, inner diameter:5mm ,outer diameter:11mm,height:11mm ; Groove Bearing:624U ,groove diameter:11mm ,outer diameter:13mm ; colour:Photo Color Material:Aluminum alloy Package Contents: 1 * Extruder frame block(Left Hand) 1 * Mounting screws set 1 * Stepper motor mounting bracket 1 * PC4-M6 Bowden tube fitting 1 * PE bag packaging