### Spec Customized for Snapmaker U1 XY Axis Each belt measures 1700mm total length and 6mm width, accurate dimension matches U1 X/Y axis original installation path perfectly. ### Reinforced Inner Core Rubber Belt Structure Embedded tension resistant fiber core inside rubber body, strong compression resistance to avoid overstretch during long-time reciprocating movement. ### High Precision Uniform GT2 Tooth Profile Precision molded even GT2 tooth shape, tight meshing with pulley to reduce positioning error and improve printing accuracy. ### Low Dust Flexible Wear-resistant Material Flexible rubber formulation produces less powder debris, outstanding bending toughness for frequent back-and-forth running. ### Complete 2-in-1 Pack for XY Full Replacement Package contains one X-axis belt plus one Y-axis belt, finish whole XY drive system maintenance in single purchase.