What exactly is the difference between bumper plates and iron plates, and when do you know when to use which during a workout? - Quora
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HD Bumper Plates 2" (Single) - 10LB / 15LB / 25LB / 35LB / 45LB - One (1) Rubber Weight Plate in Pounds for Olympic Barbells - Ideal for Cross-Training, Weightlifting, Fitness
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Rubber Vs Iron Weight Plates (Which Should YOU Buy?) | 6 Differences Between Bumper & Metal Weights - YouTube
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