K&M - Ergo Holder 300 WSM The mandrel allowed to free

The mandrel allowed to free float inside the case to compensate for press

“Flutes” on the outside are for looks

this shape will not pick up imperfections at the case mouth or neck/shoulder junction resulting in smooth accurate indicator readings when used with the Redding Case Neck Gauge

Or works with the "Quick Change" system (the Quick Change" system consists of two different tops)

K&M - Ergo Holder 300 WSM The mandrel allowed to freeErgoHolder for use with Micro Adjustable Neck Turner. The ErgoHolder is manufactured with the traditional K&M quality, which is a machined component from Aluminum providing a fatigue proof grasp of the neck turner. Its mass also provides the added benefit of a heat sink to help dissipate heat from the pilot during the turning process. The neck turner body easily assembles into the ErgoHolder and is held in place with one set screw, which can be