MLMLH Heavy Duty Sewing Machine Thread Spool Caps - Durable Thread Wheel Covers for Industrial & Home Sewing Machines (Set of 4) - Perfect for Quilting, Embroidery & Garment Making

Specification: Item Type: Spool Caps Material: Plastic Specification: 1 Set (1 Cover, 1 Stopper As a Set) Applies To: for Singer for Butterfly Heavy Machine Sewing Machine Thread Plug Product Function: Replace Old Sewing Machine Accessories Package List: 1 Set Spool Caps

Accessories: Assist and replace old sewing machine accessories to ease your sewing work.

Material: High quality materials can be used for a long time, making your sewing work easier.

Applicability: Suitable for Singer, for butterfly heavy machine sewing machine.

Tools: Practical tools can effectively avoid jamming the spool during machine operation.

Practical: The spool caps is a part connected to the spool pin, which can hold the thread in place and help the thread to unfold correctly instead of jumping during sewing.