Forward or Reverse Direction Metal Extruder Kit With NEMA 17 Stepper Motor For RepRap Prusa i3

TWO option for your reference 1 is Reverse Direction Bracket Motor 2 is Forward Direction Bracket Motor Please note that before you buy it Description This kit can help you improve your print quality by getting rid of filament slippage Aluminum doesnt soften at printing temp like the plastic printed parts can leading to less idler spring tension filament slipping bad prints Hardware is included in the kit but you might also need additional screws to mount heatsink with fan for an example Short distance Stepper Motor 42HD4027 01 See supplied datasheet for optional 57 oz in NEMA 17 stepper motor Note Due to different producing batches product details might be a little different If you minding the difference please buy it carefully Please allow 1 3CM differs due to manual measurement Due to the different display and different light the picture may not reflect the actual color of the item Thanks for your understanding Package included 1 x Aluminum main extruder body1 x Aluminum tension lever1 x Idler bearing for 1 75mm filament1 x Brass drive gear1 x High tension spring1 x Assembly screws1 x Stepper Motor 40mm long body with cable