Mec Super Sizer 20ga.. This Reloading Press from the professional product experts at MEC quickly re-sizes shells for the most exacting shotguns and updates conventional reloaders with MEC's exclusive Power-Ring collet resizing device. The MEC Super Sizer 20ga w/ Power Ring Collet features eight steel fingers encircle the base and apply even pressure until the base is reshaped back to its original size. This MEC Reloading Press is made from durable steel and all necessary hardware is included. For a great way to make sure you are using the best equipment the reloading business has to offer choose the MEC Super Sizer 20ga. Specifications for Mec Super Sizer 20ga.: Manufacturer: MEC Fabric/Material: Steel Gauge: 20 Package Contents: Mec Super Sizer 20ga. The Mec Super Sizer 20ga. is a quality addition to the MEC lineup. For more great deals on Reloading Presses by MEC please browse our Mec Reloading Equipment page. Mec Super Sizer 20ga.