Dreamlit Swirlz - The shuttle in this series has more than one color mixed together creating a swirl effect. Therefore, no two shuttles will look the same! A posted shuttle with a removable bobbin! A unique shuttle held together with magnets and can be pulled apart to remove the bobbin. The shuttle can also be used without the bobbin by wrapping thread around the post. The shuttle has a 1. 0 mm steel hook and is approximately 2. 75in long (excluding hook) and 0. 75in wide. Includes 1 shuttle, 2 bobbins, and 1 holder. Material: Plastic/steel hook/2 small magnets.