Rubber coated to be easy to grasp, impact-resistant and to protect equipment, walls, and floors, Olympic Grip Plates have accurately measured mass for consistent training and balanced loads. These Olympic standard weights feature integrated metal sleeves and standard 2″ holes to smoothly and securely fit on any Olympic-size bar. The design of the weight plates features oversized holes with a grip design that allows these weights to be used for handheld exercises, increasing the ways you can benefit from the set. 300lb weight set includes 2 2.5LB, 4 5LB, 2 10LB, 2 25LB, 2 35LB, 2 45LB plates, 1 – 45b bar and 2 – spring collars; 400lb weight set includes 2 2.5LB, 6 5LB, 2 10LB, 2 25LB, 2 35LB, 4 45LB plates, 1 – 45b bar and 2 – spring collars; 500lb weight set includes 2 2.5LB, 4 5LB, 4 10LB, 2 25LB, 2 35LB, 6 45LB plates, 1 – 45b bar and 2 – spring collars