20pc Plastic Empty Spools for Wire, Thread Bobbins, White, 17x53~56mm Package Include: Come with 20pcs craft spool, about 53~56mm in height, 58mm in backplane diameter, 14mm in the hole, enought to encircle strings, the center of these spools are punched, you may use it to fix. Wide Application: Great for encircling of all kinds of strings, chains, wires, elastic threads, decoration chains, ribbon, yards, also can be made for graphgans. It makes your strings and chains not too messy. 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. Smooth Surface: The surface of these empty spools are well polished, will not damage your wire, easy and comfortable to use. It can make your strings or wires neat and save space for your home. Reliable Material: Empty spools are made of high quality plastic, lightweight and easy to use, durable and it can be used for a longtime, especially suitable bobbins for yarn to make crafts.