Single-conical spool with independent cast iron thread holder is suitable for sewing, embroidery and overlock sewing machines.

Universal Compatibility: This independent thread clamp is designed for use on sewing machines and overlock machines, and is especially suitable for thread clamps that use horizontal thread clamps. Vertical Threading: It allows the thread tap or spool to stand vertically, facilitating smooth thread unfolding during sewing. Tangle-Free Operation: The design ensures tangle-free operation, making the thread easy to untangle and avoiding common sewing frustrations. Durable Construction: Featuring an all-metal construction with a cast iron counterweight at the bottom, this clamp combines stability and durability. Smooth Thread Feed: The clamp helps maintain a smooth thread feed, reducing thread breakage and loops, ensuring uninterrupted sewing. Time-Saving Design: By preventing thread problems and frequent changes, this clamp helps save sewing time.