-- This COMBO PACK includes BOTH ADAPTERS NEEDED to CONVERT your BOG DEATHGRIP to add your own BALLHEAD or LEVELING BASE. -- NO SADDLE OR BALLHEAD INCLUDED -- THIS ADAPTERS THE ORIGINAL BOG DEATHGRIP SADDLE TO AN ARCA/SWISS RAIL THAT FITS INTO ALL BALLHEADS & LEVELING BASES -- ALSO ADAPTS THE BOG HEAD TO THE 3/8" bolt needed to screw into any BALLHEAD/LEVELING BASE -- MADE IN THE USA