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【12Pcs/Pack】SIMAX3D 3D Printer POM Pulley Wheels 625zz, Plastic Linear Bearing Pulley Passive Round Wheel Roller Compatible for Creality Ender 3, CR-10, Anet A8, Anycubic Mega S 3D Printer
Features【Durable&Smooth】High pressure POM circle made with German tech, stronger than molding pulley. Besides, every bearing is well oiled and tested during installation, work excellent in movement.【Packing List】12pcs 625zz POM Pulley, Outer Diameter: 24mm; diameter: 5mm; Height: 10.2mm【Compatibility】Suitable for all DIY 3D printers like Creality, Anycubic, Anet series 3D printer.【Notification】Please be aware there's a movable copper ring between bearings. It's normal if the ring moves, otherwise bearing can't rorate. It's not quality issue.【Warranty】We respect every customer. So every stepper motor passed QC before shipment. But if you have problem, we still provide free return/exchange in 90 days, pls contact us.