Wide Application: Thread holder, This spool cone holder is perfect for most desktop coating machines, and also fit for thread racks of industrial sewing machines. Easy to Use: These plastic sewing coil claws can be easily installed, ideal replacement for the old and damaged parts. Material: These cone thread holder is made from premium plastic material, which is sturdy, lightweight and durable. Strong Compatibility: This plastic coil claw is suitable for most sewing machines, providing great convenience. 10 Pieces: You will receive 10 pieces of plastic coil claws that could meet your different needs.