MMF Industries is a world-class supplier of security, cash handling and metal products serving the financial, office products, retail, and hospitality industries. Our growth has come from consistently supplying long-lasting, reliable products under the MMF Industries and Steelmaster brands. MMF Industries Wrist Coils are ideal for securing keys or I.D. badges on the job, at workouts, or during water sports. Available in black, the coils feature sturdy, split ring key holders that can hold one or more keys or badges. At MMF, it is our consistency and reliability that keep our customers coming back. Superior quality products and outstanding performance make MMF Industries your source for security, storage and organizational products.