5 Pcs 2GT 5mm 8mm 20T Aluminum Alloy Gear Synchronous Timing Belt Pulley for 3D Printer

Features: Aluminum alloy material, durable and long lasting. Teeth: 20; Bore Diameter: 5mm 8mm. This timing pulley suits 6mm timing belt. High quality glossy surface appearance and robust structure. This pulley is the best choice for the construction of 3d printer. Specifications: Color: Silver Material: Aluminum alloy Total height: 16mm Application scheduling: 3D printer Bore diameter: 5mm, 8mm (Optional) Number of teeth: 20T Weight: 5mm: 5.8g one; 8mm: 5g one Package weight: 24g (for 5mm), 32g (for 8mm) Quantity: 5 Pcs Package List: 5 x Timing Pulley