Specially made for Bambulab X1 X1C P1P P1S 3d printers, for X Z or Y Z axis belt tensioner motion part. Not for Lab A1/ A1 mini series. Stable Transmission: High precision. High-strength structural design, anti-extension, anti-jumping, make the transmission more stable when working with other bambulab 3d printer parts, such as 257x257mm double sides Smooth PEY PEI textured build plate(Asin: B0CJV79HTJ), FCOB led strip light(Asin: B0D5B4W3DH or B0D5B3QGPY).
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