Features Reliable Work: Can effectively prevent dust from entering, the wheel ensures stable and low noise working under high speed. Good Material: Consisting of premium carbon bearing and POM pulley with high hardness and good rigidity, durable for use. Wide in Match: Also ideal for E16 ET4 ET4PRO ET5 ET5PRO, for 10, 10s, 10 V2 for Ender 3, for Mega S and more. Practical Use: Suit perfect for various 3D printer, CNC, write machine and so on, the pulley will improve your efficiency. 13Pcs in Pack: There are 13pcs 3D printer wheel in the set, and the large quantity will satisfy your needs for replacement. Specification: Item Type: 3D Printer Wheel Outer Diameter: Approx. 24mm / 0.94in Bearing Inner Diameter: Approx. 5mm / 0.2in Thickness: Approx. 10.2mm / 0.4in Color: Black Bearing Material: Carbon steel Pulley Material: POM Applicable Models: For Anet E16 ET4 ET4PRO ET5 ET5PRO, for 10, 10s, 10 V2 for Ender 3, for Mega S, for Artillery X1, for Tevo Tarantula or other 3D printers.  Package List:13 x 3D Printer Wheel Package List 13 x 3D Printer Wheel