UniTak3D Ender 3 2020 X-axis and 4020 Y-axis Belt Tensioner Aluminum Alloy Upgrade Kit

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【Application】:The upgrade belt tensioner is ONLY compatible with Creality Ender 3 X-axis and Y-axis .
【Function】:The adjustable belt tensioner supports adjusting the belt stretch with the turn of a knob,which will be helpful to improve the print quality.
【Adjustable Range】:X-axis Tensioner: Adjustable Distance:8mm; Adjustable Belt Length limit:16mm. Y-axis Tensioner: Adjustable Distance:7.5mm; Adjustable Belt Length limit:15mm.
【Material】:This Ender 3 X,Y belt tightener is made of heavy-duty aluminium alloy,with anodized surface treatment .
【NOTE】:The Ender 3 X and Y axis belt tensioner ONLY works with 6mm belt.