<p>Name: 40 tooth drive wheel </p> <p> material: Copper </p> <p> Size: 11mm*11mm (5mm inner hole, 7mm gearbox)</p> <p> Quantity: 4 pieces per pack </p> <p> Usage: Makerbot or consumables 1.75mm only </p> <p> Classification: Yellow </p> <p> high load capacity, ensure the printer works normally. </p> <p>Made of high quality brass, no rust or corrosion, durable. </p> <p>Lightweight and portable, easy to install. </p> <p> A pack of 4, high strength and high precision. </p> <p> Shop Tips: </p> <p> 1. The size is manually measured, please allow the error (1-3cm). </p> <p> 2. Due to the different monitor pixels, there may be color difference, please contact the actual product. </p>Note: The data is all manual measurement, please allow 1 - 3cm error, due to the difference in light and display, there will be a certain color difference, depending on the physical object received Delivery quantity: (according to the main picture)