The Vevor 45 lb cast iron ruck plate is designed to add resistance for rucking, strength training, and endurance workouts. Its compact profile fits into a backpack, while the textured finish, rounded edges, and smooth handle help provide a secure and comfortable grip. Solid cast iron construction with a rust-resistant coating supports long-lasting use. It can also be used for exercises such as squats, lunges, sit-ups, and other full-body training movements.