This is the ONE sided Quick Change turkey box call. The Quick Change Box Call is the most revolutionary turkey call on the market. Change paddles in an instant for any combination of tone or pitch you want. This ONE sided Quick Change calling System includes: 2 Paddles (one high pitch, one low pitch 1 Box Call Base DVD (In depth instructions on call function, Communication Techniques, and Call Care.) Shared Obsession"s Eastern Assault DVDs Call Muzzle- Carry your Quick Change Turkey Box Call silently through the woods!