Universal Utility Key Style A Material and finish: Zinc alloy with a plated finish for rust resistance and corrosion protection Color and style: Black, Style A Overall size: 72 x 72 mm (2.83 x 2.83 in) End shapes and sizes: Square end 1: Edge x OD 6 x 12 mm (0.24 x 0.47 in) Square end 2: Edge x OD 8.3 x 14 mm (0.33 x 0.55 in) Round end: Dia x OD x Max OD 5 x 9 x 14 mm (0.20 x 0.35 x 0.55 in) Triangle end: Beveled edge x OD 9 x 14 mm (0.35 x 0.55 in) Package includes: 1 x Universal Utility Key Benefits and features Versatile compatibility: Designed to fit square, round, or triangular keyholes of matching dimensions, enabling use with most compatible locks Convenient and portable: Palmsized and lightweight, easily attaches to key rings for everyday carry Durable construction: Zinc alloy with plated finish provides rust resistance and corrosion protection How to use Select the appropriate end based on the lock shape Turn clockwise or counterclockwise according to the lock type to unlock or lock Avoid forceful twisting to prevent damage Important note This product provides precise dimensional information. Before , verify that the lock shape and size match this product Use scenarios Facility maintenance and building management: Access storerooms, electrical panels, or cabinets with matching keyhole shapes during routine service Office IT and equipment rooms: Service or unlock server cabinets and equipment enclosures that use square, round, or triangular keyholes Home and DIY projects: General purpose tool for locks with compatible shapes; keep on a key ring for quick, ready use