The Area 419 billet anodized loading block is designed to withstand extensive use while maintaining its durability. It accommodates 50-round with .308 Cal, Magnum or Lapua bolt faces. The loading block is equipped with rubber pads on the bottom to prevent slipping during use. The block is machined in-house from 6061-T6 aluminum The holes are 1/2 inches deep and are designed to fit snugly around the case to prevent tipping The bottoms of the holes feature a small divot at the center designed to capture powder kernels, thereby preventing any potential accidents involving primers The dimensions are 9-1/2 inches by 4 inches by 0.625 inches