The AR500 Armor® Weighted Training Plates are constructed from military grade ½” MIL-A 46100 steel plate. You will be passing these training plates down for generations, we guarantee it. Available in a 10lb, and 15lb version, our Training Plates fit all plate carriers designed to accept 10” x 12” body armor or larger, and are fully compatible with our Atlas Adjustable Weight Fitness Plate Carrier. Ergonomically designed to mimic armor by form of a common shooters cut. Improved with an upper relief cut for better mobility while using a plate carrier during training and workouts.