Eleiko Grip Plates / DiscsFor Versatile Training Ergonomic Grip Holes Three Plate Sizes Ideal for general strength training and use with plate loaded strength machines, Eleiko Grip Plates feature a solid iron core covered in rubber with symmetric, ergonomic grip holes for easier plate handling and loading. Ergonomic Grip Integrated symmetric grip holes are comfortable for a wider range of users and allow for hand held weighted strength movements. Durable Rubber Durable rubber