Feature: 1. Material: High quality materials can be used for a long time, making your sewing work easier. 2. Replacement: You can replace old sewing products and let the machine use normally. 3. Applicability: Suitable for VIKING and for PFAFF household sewing machines. 4. 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. 5. Tools: Practical tools can effectively avoid jamming the spool during machine operation. Specification: Item Type: Spool Caps Material: Plastic Specification: 2 Pieces Suitable For: for Viking and for PFAFF Sewing Machines Product Function: Replace Old Sewing Machine Accessories. Package List: 2 x Spool Caps Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.