GYM TIP: "Standard" 45lb Plates Are NOT 45lbs (Usually Weigh 1-4lbs More/Less)! - YouTube
45LB Barbell Weight Plates 2 Inch Hole Solid Cast Iron Barbell Weight – Net2Fitness | Online Store
CAP Barbell Gray Olympic Cast Iron Weight Plate, 45 lb - Walmart.com
Amazon.com : Synergee Standard Metal Weight Plates 10 lb Pair. 2” Opening for Bodybuilding, Olympic & Power lifting workouts. Classic Old School Metal Weighted Plates. : Sports & Outdoors