Sizing dies feature 90deg hole spacing to make bullet lubrication an easy task, even with hard lubricant formulas. Tapered mouth and hardened internal surface ensure proper alignment to deliver a perfect cylindrical shape to your cast bullets. Warning: Melting lead and casting lead objects will expose you and others in the area to lead, which is known to cause birth defects, other reproductive harm and cancer. See Instructions on Reducing Exposure supplied with product. Mfg: Lyman