Those large thread holders are usually called thread spool racks or thread organizers. They're designed to keep sewing, embroidery, or crafting spools neatly arranged and easy to access. Some racks are made of wood or metal and can hold dozens of spools, making them perfect for craft rooms or sewing spaces. You’ll find options that are freestanding, wall-mounted, or even rotating, so you can pick what fits your workspace best.

Using a spool rack is simple and can help keep your threads organized:

• Place each spool on a separate peg or slot, arranging them by color or type for easy access.
• Keep the rack near your sewing area so you can quickly grab the thread you need.
• Some racks have hooks for bobbins or can be wall-mounted to save space.

This setup can help prevent tangling and make your sewing projects more efficient.

Many thread racks are designed to fit a variety of spool sizes, from small bobbins to larger cones. However, it's a good idea to check the peg spacing and height before purchasing. Some racks have adjustable or removable pegs to accommodate bigger spools, while others are best for standard-sized sewing thread. Always review the product details to make sure it fits your needs.

A spool typically holds the main supply of thread and sits on your thread rack or sewing machine. A bobbin is a smaller reel that fits inside your sewing machine to provide the lower thread for stitching. Both are essential for sewing, but they serve different roles in the process. Organizers are available for both spools and bobbins to keep your workspace tidy.

When picking a thread organizer, consider:

• Capacity: How many spools do you need to store?
• Material: Wood and metal are sturdy options, while plastic is lightweight.
• Mounting style: Wall-mounted racks save space, while freestanding racks are portable.
• Compatibility: Make sure the pegs fit your spool sizes.

Think about your crafting habits and workspace to find the best fit for your needs.