4040 aluminum profile Y-axis synchronous belt stretching fit for Ender 3 pro 3d printer, Please Note: Not fit for Ender 3, Ender 3X, Ender 5
Material: SPCC Steel. Kindly Tips: if you received the kit which is not comple, please Do not hesitate, contact us free from your Order ID, we will send you a new replacement.
Match with 6mm belt, upgrade the tension tensicner to adjust the belt freedom, much better than original, very practical
It comes as a set of Y-axis belt stretch kit, you need to install it by yourself, Reference instruntion please search keywords on Youttube: ender 3 pro belt tensioner.
After-sales guarantee: each defective item can be replacement for free or refund. If any question, please feel free to contact or QA us, we will try our best to service you.