Stock up and Save with the Dart Zone® Pro Series Full Case Dart Refill. Full Case includes 2,880 Pro Darts with 1,440 Standard Length Darts and 1,440 Half-Length Darts. Darts are individually packaged in 12 individual packages that include 120 Standard Length and 120 Half-Length Darts each. Pro Performance Darts are designed with increased stability for better, straighter flight. Pro Series Darts are compatible with MK-1, MK-1.1, Adventure Force Nexus Pro, and Adventure Force Aeon Pro blasters.