The 3D printer pulley is convenient and practical, with excellent texture, and can serve you for a long time without being easily damaged. The craftsmanship can serve you well without breaking easily. This is a very practical 3D printer pulley.<br> Features<br> -Color:Black<br> -Material:Plastic<br> -Size:2.40X2.40X1.00cm/0.94X0.94X0.39in<br> - Brings to all DIY 3D printers, practical replacement pulley wheel for broken one.<br> - These 3D printer wheels move smoothly, have low noise, and print with high accuracy, which can improve the printing speed well, which is a useful 3D printer accessory.<br> - Wheels have good physical, mechanical and chemical properties, especially have great wear-resistance, and sturdy.<br> - They are perfect for working with the 3D printer, easy to install, very convenient.<br> - Adoption of simple and convenient design, this product also can be used for a long time.<br> Package list: 16 x Roller Wheels