Black Empty Spools: Package includes 20 pcs black plastic empty spools, approximately 5.5 cm (2.1 inches) in diameter, 2 cm (0.7 inches) thick, with an inner diameter of 2.5 cm (1 inch). Made from quality plastic material, these spools are smooth without burrs, sturdy, and resistant to cracking when holes are drilled. Thick enough for both manual and machine use. Features an elegant hourglass design that makes thread wrapping easier and helps keep threads organized and tangle-free. The centered shaft hole ensures no deviation during use, supporting smooth operation. Easy to use: hold the thread against the flat part and wrap around the center; the spool securely holds the thread, helping save space when storing wires, cords, or ribbons, and improving efficiency in handmade projects. Ideal for organizing thread, wire, twine, cord, ribbon, chains, and other small items. Also suitable for DIY arts and crafts, textile weaving, and photo props. Unleash your creativity in various craft applications. Color: Black. Material: Plastic. Package Contents: 20 x Empty Spools. Note: Only the items listed are included. Light reflection and display differences may cause slight color variations between the image and actual item. Measurement allowance is +/- 1-3 cm.