TPV1027 Features: * O-rings assortment * Storage case keeps o-rings clean and organized Includes: * Includes 15 piece each sizes: 0.43" by 0.63, 0.43" by 0.09", 0.43" by 0.78", 0.5" by 0.78" * Includes 10 piece each sizes: 12.56" by 0.62", 0.56" by 0.93", 0.38 by 0.78",15 (0.62" by 0.78") 16 (0.68" by 0.78"), 17 (0.62" by 0.62"), 18 (0.68" by 0.12") Dimensions: * Product weight: 0.26 lb