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 durable, resistant to cracking when holes are drilled, and thick enough for both manual and machine use. Perfect Design: The spools feature an elegant hourglass shape that makes thread wrapping easier and helps keep threads organized and distinguishable. Each spool has a centered shaft hole to ensure no deviation during use, supporting smooth performance and creative freedom. Easy to Use: Simply hold the thread against the flat section and wrap it around the center. The bobbin securely holds the strand, helping you save space when storing wires, cords, ribbons, or other materials, and improving efficiency in crafting projects. Wide Applications: These empty plastic spools are ideal for organizing thread, wire, twine, cord, ribbon, chains, and more. Suitable for DIY arts and crafts, textile weaving, handmade projects, and photo props. Encourage creativity in various craft applications. Color: Black Material: Plastic Package Contents: 20 x Empty Spools Note: Only the items listed above are included. Light reflection and differences in display screens may cause slight variations in color between the image and the actual item. Measurement error allowance is +/- 1-3 cm.