Great for encircling of all kinds of strings, wires, decoration chains, paracord, twine, bobbin, cord. It makes your strings and chains not too messy and can save some room for your desk. Package Include: 8pcs plastic spool wheel, about 0.94 inch/24mm in diameter, 3.43 inch/87mm high; backplane: 3.70 inch/94mm in diameter, hole: 0.83 inch/21mm. gives enough circumferential space, ideal for rolling thick lines. Premium Material: Made of premium and durable plastic, smooth surface will not damage your wire, easy and comfortable to use. It is lightweight and sturdy, not easy to break, can be used over and over again. Empty Crafts Spools: Ideal for working with intricate braiding techniques to hold your thread together and prevent knotting. The hole in the middle is for convenience when it can be fixed up to improve work efficiency. Easy to Use: Hold end of the thread against the flat part, then begin to wrap around the middle. You can even pre-string beads onto the thread and this bobbin will hold them on the strand. Wide Application: Great for encircling of all kinds of strings, wires, decoration chains, paracord, twine, bobbin, cord. It makes your strings and chains not too messy and can save some room for your desk.