This Plastic/Paper material is our most popular twist tie spool used on the Tie-Matic HD38, HD58 and HD78 machines. The #312 spools are designed with a metal core encased in plastic and paper to resist rust. The flexible core and plastic/paper sheath wrap around an object to be bundled. From the Food Industry to the Industrial Marketplace, our spools provide the perfect closure for your applications. With 2000 feet of genuine Plas-Ties twist tie material, you are assured of optimal performance from your Tie-Matic HD Twist-Tying Machines. Choose from a variety of colors, including: Red, White, Blue, Green, Yellow, Orange, Black, Brown, Tan, Grey, and Violet. Packaged with 5 spools per case, these spools will keep your assembly line in constant motion.