21st Century - Expander Mandrels (Stainless Steel) Size:0.2550 3 corresponds to a magnification

3 corresponds to a magnification of 1

The key features of the second generation hardware include:

A right handed shooter is wearing the glove on his left hand

it stays exactly where you put it

Eliminates much of the trial and error that was once associated with seating accurate rounds

21st Century - Expander Mandrels (Stainless Steel) Size:0.2550 3 corresponds to a magnification21st Century Innovation Expander Mandrels when used with the Expander Die Body will expand the case neck for proper fit on the turning arbor. Precision CNC machined from high grade stainless steel. 21st Century Expander Mandrels and Arbors are designed for proper fit in the 21st Century die bodies. While these may work in most Sinclair and PMA die bodies we cannot guarantee proper fitment in those bodies. These are sized . 0008" (+ . 0002") below