💪 SET OF 4 (each 10 lbs., TOTAL of 40 lbs.) – Made of solid cast iron with a machined center hole and coated in a durable, grey baked enamel finish. These 1-inch standard weight plates have a 1-inch center hole to accommodate 1-inch standard bars or dumbbell handles. 💪 1" STANDARD SIZE HOLE AND FLAT SIDE PLATES: Fit most 1-inch standard bars & dumbbell handles. Sturdy and durable training tool for muscular endurance exercises as biceps curl, triceps extension, chest fly, shoulder press, and hamstring curls. Please note that this product is only compatible with 1“ standard bars & dumbbell handles, it probably will not compatible with 1.15” ones. 💪 DURABLE CONSTRUCTION WITH GREY PAINT COATING FINISH - High-quality solid cast iron weight plates with semi-gloss paint prevent plates from corrosion, oxidation, and rust without any irritating odor. 💪 VERSATILE – Weight plates can be used to perform muscle strengthening exercises and endurance training, and to increase flexibility and balance. A single weight plate can also be used for warm up exercises. 💪 BUILD STRENGTH - Multiple uses, weight plates can be used to perform muscle strengthening exercises and endurance training, or to increase flexibility and balance. CAPHAUS Grey Standard Solid Cast Iron Weight Plates 1-inch Center Hole for Standard Barbell & Dumbbell Handles Size available in 1.25/2.5/5/7.5/10/12.5/25 & 50 LB Multiple Options