Designed for Adventure Force Tactical Strike Pro Series Blasters, Half-Length Pro Darts are high performance darts providing pinpoint accuracy and fly over 125 feet. Dimensions: 38mm High x 13mm Outside Dimension. Compatible with all Adventure Force Pro Series Blasters including Nexus Pro and Aeon Pro and Half-Length Magazines from Pro Blaster Brands. Recommended for ages 14 and up and is available only at WalMart.ca. Ships in a Frustration Free Package.