Frankford Arsenal Platinum Series Perfect Seat Hand Primer Seating Tool with Case for Reloading SPECS: Comes with 12 shell holders to cover the most popular cases and the self-righting primer tray holds 100+ primers VERSATILITY: Works with both small and large primers and the case includes 3 extra posts so you can store custom or rare collets in the same place EASE OF USE: A quick thumb release system allows you to switch from small to large primers easily and a hard stop so you can never over crush a primer INNOVATIVE: Features an adjustable seating system that helps prevent proud primers or crushing primers into cases DURABLE: Constructed of a heavy-duty die-cast zinc with steel internal components. The entire system stores in a robust injection molded case