Stack these loading blocks and you can shoot all day long! Easy to load the block right at the range and you'll be ready to use your Speed Beez speed-loader and reload faster than ever. Designed for the 357 8 Shot Speedloader. Holds your next 5 speed-loader reloads lays flat for stable loading. Have your next rounds ready to go when you use these loading blocks with your speed-loader. Grab a few today!