K&M - Power Adapters The Rock but oils are not recommended

but oils are not recommended because of the possibility of gunpowder contamination

they also help with consistent positioning

the neck should be reamed or outside neck turned

210" primers

75-3 inch (70-76mm)

K&M - Power Adapters The Rock but oils are not recommended(#CHPA) The K&M Case Holder Power Adapter is used to hold the cartridge whilst neck turning under the power of a cordless screwdriver or low speed drill. The Adapter has 1 4" hex standard shaft while the retainer uses Lee Auto Prime shell holders (not included) to hold the cartridge case. Neck turning or case preparation under power greatly reduces the time it takes to complete a particular process and improves the final finish. Note: Does not include