Feature: Durable construction: High density solid cast iron, environmentally friendly baking paint, black matte texture, corrosion protection, not easy to break, can withstand regular fitness use. Old School Olympic Barbell Plates: Classic yet stylish look, each weight plate has an machined 2-inch center hole (IWF standard), fits any Olympic barbell or dumbbell bar with a 2inch diameter. Multi-function: Great for men and women, strengthening your biceps, triceps, butt, leg muscles, ABS, shoulders, back, shaping a perfect body proportion . A single weight plate can also be used for warm-up exercises. Easy identification: Raised white numbers and letters for quick selection, standard 1.3inch in thickness, diameter varies by weight. Three specifications to be chose: 2.5lb, 5lb,10 lb, 25lb, 35lb, 45lb. Our plates are sold in singles or pairs. ( Notes: if there is an issue with your product, we will do our best to solve it! ) Product description: Perfect For Commercial Gym & Home use, being designed for beginners as well as advanced lifters. Product name: Classic solid cast iron plate DIMENSIONS: 25lbs: 11” Diameter x 1.3” Thickness 35lbs: 14” Diameter x 1.3” Thickness 45lbs: 17.7” Diameter x 1.3” Thickness PACKAGE INCLUDE : Single barbell plates Warm tip: EACH WEIGHT PLATES HAS A CENTER HOLE DIAMETER OF 2-INCHES.