1. b>ALL PURPOSE THREAD/b> 4 Cones of Polyester Threads for Sewing Quilting Serger Color as shown. Over 30 colors in stock. This thread is great for serge machines as it provides 4 cones of the same color required by many serge machines. 2. b>GOOD QUALITY/b> , High Tensile Strength, Low Lint Thread. Polyester Spun. It will not fray or break easily. This highquality thread is perfect for efficient sewing. 3. b>IDEAL WEIGHT LENGTH/b> Each Cone is 6000 yards. You will receive a total of 24000 yards. Each spool has 40 weight (most commonly used), making these spools ideal for all sorts of embroidery projects. The threads are suitable for Brother, Babylock, Janome, Singer, Pfaff, Pegasus, Juki, Husqvarna, Bernina and all other types of sewing machines. 4. b>WIDE APPLICATION/b> Good for any home or Commercial Machine. Use for Serger, Over lock, Merrow, single needle etc. The sewing thread can be used for a variety of sewing machines or embroidery machines with automatic winding function. The thread set keeps your sewing project simple, practical and userfriendly, whether you're a professional or a beginner. It can fulfill most of your home use project needs.