Federal Speed-Shok, Lead Free, 10 Gauge 3.5, #2, 1 1/2oz, Steel Shot, 25 Round Box, California Certified Nonlead Ammunition WF107 2 Speed kills, now it stops even cleaner with redesigned Federal Speed-Shok. Its high-performance primer and fast-burning powder dramatically reduce residue, while its optimized velocities knock birds out of the sky.