Body-Solid RPB Cast Iron 1" Standard Plates

These plates are the best value anywhere! Machine-bored steel plates with 1" hole and smooth black finish. 100% Iron 1" Standard Size Hole Smooth black finish From 1.25 to 50 lb. Size (Diameter x Thickness) 1.25 lb.:  4" x .4" 2.5 lb.: 5.1" x .8" 5 lb.: 6.7" x .8" 7.5 lb.: 7.5" x .8" 10 lb.: 8.3" x .8" 12.5 lb.: 9" x 1.2" 20 lb.: 9.5" x 1.2" 25 lb.: 11.4" x 1.2" 50 lb.: 15.4" x 2" IMPORTANT!  The Difference Between Standard and Olympic Weight Plates You must have the matching size Barbell to use these plates: Standard Plates have a 1" center hole Olympic Plates have a 2" center hole Exercise Focus: Multipurpose Application/Use: Commercial Application/Use: Residential Type: 1inch Bar and Plates