The MEC Sizemaster Shotshell Reloading Press is a cast iron shotshell reloader designed for 20-gauge shells. It features a "Power Ring" collet resizer that returns bases to factory specifications, accommodating both brass and steel heads with high or low bases. This press is adjustable for 3" shells.Key FeaturesPower Ring Collet Resizer: Ensures bases are resized to factory specifications for reliable performance.Shell Compatibility: Adjustable for 3" shells, allowing flexibility in reloading.Construction: Made of durable cast iron for stability and longevity.