The Umarex T4E .50 caliber powder balls are professional-grade training ammunition designed for non-lethal training applications. These blue and white marking rounds deliver reliable performance in 10-pack quantities.Umarex T4E .50 caliber powder balls10 rounds per pack for extended training sessionsBlue and white color scheme for visibilityPowder-filled design for marking capabilityCompatible with .50 caliber training platformsDimensions: 0.80 x 7.40 x 8.55 inchesIdeal for law enforcement training security drills and tactical exercises where non-lethal marking rounds are required for realistic training scenarios.