Gt2 40t Pulley 5mm Bore GT2 Timing Pulley 20T Bore 8mm Belt Width 10mm For 3D Gt2 Pulley 30 Teeth 5mm Aluminum material: The SHCEEC timing belt pulley is made of high-quality aluminum, which is reliable and durable. GT2 Pulley 20 Teeth 8mm Bore – 6mm Belt Width Scope of application: Perfect match for 6mm GT2 Timing belt, suitable for 3d printer, low noise operation. at the lowest price at . Free shipping on items shipped from * * & science on sale at Package contains: 5 * 2GT 20 Teeth 8mm Bore Timing Belt Pulley for 10mm Width Belt, 1 * Alley key 5 Pcs Aluminum 2gt Gt2 Pulleys 20 Bore 8mm For 3d Printer Quality assurance: If you encounter any quality issues, please contact us promptly and we will do our best to provide assistance.