See photo you are buying all 4 as a set.
5 lb Olympic Size Weight Plates VTX Set is perfect for all your weight lifting needs. The set includes 4 weight plates, each weighing 5 lbs, for a total of 20 lbs. The plates are made of high-quality iron material and come in a sleek gray color.
The plates are designed for Olympic weight lifting and are compatible with any Olympic size barbell or dumbbell. The set is brand new and has never been used, making it a great addition to any home gym or fitness facility. Get your workout routine under control with this VTX Olympic Size Weight Plate Set.