The Atom Pulse Outdoor Roller Skate Wheels Set of Eight is a high-quality set of roller skate wheels designed for outdoor use. Made of durable black material, these wheels come in a convenient 4-pack size and are lightweight at 2.05 pounds per wheel. With a compact item package size of 7 x 6 x 3.6 inches and a package weight of 0.92 kilograms, these wheels are perfect for both men and women who enjoy outdoor roller skating. The Atom Pulse model, known for its reliability and performance, is sure to enhance your skating experience whether you are a beginner or a seasoned skater.