Description: Smooth Surface: The wire spool surface is smooth, allowing you to create your own spools easily and distinguish them conveniently.Material: Made from ABS materials, these empty spools are wear resistant, and not easy to break for long time use.DIY Decoration: Empty bobbins can be used for various decorative purposes around your home.Versatile Use: These bobbin spools can be used to secure electrical wires, hemp ropes, thread shafts, ropes, cables, and many other items.Prevents Tangling: The design of the spool allows it to stop quickly which effectively prevents the thread from spreading or tangling during sewing operations. Specification: Color: Clear Material: ABS Size Chart: Length?6.4cm/2.52inch 5.3cm/2.09inch 9.4cm/3.70inch ? Package Includes: 3 Empty Bobbin Spools Note: Please allow slightly errors due to manual measurement and different monitors.