The black empty spools are made of high quality wooden material, durable and strong Value Pack: You will receive 20 pieces of wood empty spools in total, about 1.14 inch(2.9cm) in diameter, 1.9 inch(4.9cm) long, 0.3 inch(0.8cm) hole, which has proper size and can be a perfect starting point for an endless array of wood crafting projects. Smooth Surface: The surface of the wood empty thread spools has been carefully polished with no thorn to ensure that they will not damage your wire, let you focus on your wood creation instead of picking splinters out of your hands. Also can be painted, stained for decorative purposes. Reliable Material: The black empty spools are made of high quality wooden material, durable and strong, not easy to break and fade, lightweight and thick enough to stand both manual and machine application, which can be used for a long time. Great for decorated DIY work. Easy to Use: The center of the wire weaving bobbin is perforated, which is very convenient for you to fix. You can also enlarge the diameter of the hole according to your needs. It makes your strings and chains not too messy and can save some room for your desk. Wide Application: The wooden empty spools are great for encircling of all kinds of strings, thread, twine, bobbins, wires, elastic threads, decoration chains and many other items, which will be a perfect gift for DIY embroidery and sewing lovers.