For shotshell reloading, the MEC Super Sizer is a favorite choice by novice and seasoned reloaders alike. Included with the sizer is a power ring collet device for perfect sizing. With an eight-finger design made from steel, the back of the base can be resized to its original dimension with very little effort. This particular sizer is also an excellent option for someone interested in updating a more conventional loader and is designed to accept all lengths of shotshell. The frame is made from durable steel, and all necessary hardware is included. Re-sizes shells for the most exacting shotguns Updates conventional reloaders with MEC's exclusive Power-Ring collet resizing device Eight steel fingers encircle the base and apply even pressure until the base is reshaped back to its original size Available in 10, 12, 16, 20, 28 gauge and .410 bore