The JTS Dead Center Pellet Consumer Test Pack in .177 caliber is designed to help shooters test and compare four high-quality pellet types to find the perfect match for their airgun. This 450-count variety pack provides precision and performance for target shooting hunting and plinking.JTS Dead Center Test Pack - 450 total pellets120 Flat/Wadcutter pellets120 Domed 8.7 grain pellets120 Domed 10.4 grain pellets90 JAC133 pelletsEasy access plastic storage case included.177 caliber compatibilityPerfect for airgun enthusiasts who want to test different pellet weights and styles to optimize their shooting accuracy and find the ideal pellet for their specific airgun setup.