21st Century - Steel Neck Turn Arbor Size:20cal This adapter fits the 21st

This adapter fits the 21st century neck turner unit and inside fits the KM Shooting brand of neck turning arbors

and body to allow cases to fit in SAAMI minimum rifle chamber

Precision CNC machined from high strength 6061-T6 aluminum alloy

The second at a 45° and the third at 90° to lay flat back

21st Century - Steel Neck Turn Arbor Size:20cal This adapter fits the 21st21st Century Innovation Turning Arbors are machined for the perfect fit for the turning operation, thus proper neck tension. Precision CNC machined from high grade stainless steel. Can be used as an expander mandrel for setting neck tension. These are sized . 002" (+ . 0002") below bullet diameter.