General description Arrow ARRT5012MS T50M Monel staples are designed for durability and resistance to corrosion, making them an excellent choice for various applications. With a rustproof finish, these staples are totally waterproof and can be used underwater. Technical specifications Quantity: 1000 Size: 12mm (1/2 inch) Compatibility and accessories Compatible with T50, T55, T50PBN, HT50P, HTX50, ETFX50, ETF50PBN, CT50K, 5700, and 8000 staplers.