Testing proves Wingmaster HD delivers the best combination of pellet energy and pattern density resulting in high energies delivered to the target. Features: 12.0g/cc tungsten blend Higher retained energy - 6% denser than lead and 49% denser than steel with excellent patterns Nearly as soft as steel - easier on barrels and choke tubes than other tungsten based products Excellent choke response - choke response simulates lead Round, smooth true-sized pellets - dense, efficient patterns with deep penetration Deeper penetration and more pellets on target Specifications: Gauge: 12 Gauge Shot Size: 2 Muzzle Velocity: 1300 Type: Tungsten Shot Charge: Oz 1 1/2 Shotshell Length: 3in. / 76mm Density: 11.6 g/cc Package Quantity: 10 Usage: Waterfowl