This set of 50 black plastic spiral coils, with a diameter of 10mm (3/8\") and a pitch of .2475, is perfect for binding documents in a professional and visually appealing manner. The coils are designed to fit into any standard 4:1 pitch coil binding machine, ensuring hassle-free binding for even the busiest of offices. The brand of the coils is Spiral, a trusted name in the industry known for its high-quality products.

The coils are made of durable plastic material, ensuring that the bound documents will last for years to come. This product is suitable for use in various settings, including schools, businesses, and homes. The set is brand new and has not been modified in any way. Purchase this set of plastic spiral coils to give your documents a sleek and professional look.