Material and Durability Constructed from 304 stainless steel for strong antirust performance, acidalkali resistance and corrosion resistance. Designed for harsh environments such as beach and precision casting; sturdy and durable. AllInOne MultiFunction Deck Plate Key Includes shackle key, large deck plate key, small deck plate key, flat blade screwdriver, and bottle opener. Hex heads 11 mm (7/16 inch) and 8 mm (5/16 inch) provide versatile fastening options. Suitable for a range of work scenarios. Portable and Easy to Carry Lightweight and compact for easy transport. Ready to store in shelves, cabinets, handbags, backpacks, luggage and more for convenient access whenever needed. Practical Use Scenarios 1) Boat maintenance and deck plate servicing on vessels, including shackle handling and deck plate access. 2) Onthego quick repairs and small tasks during travel, at the marina, or in outdoor settings. 3) Outdoor activities or home use such as bottle opening and light tool tasks. Gift Idea This stainless steel deck plate key makes a practical gift for family, friends or colleagues who work on boats. Ideal for Christmas, Halloween, Valentine's Day and other festivals.