Maestro Butski Hunting and Grunting Deer Call (Black) Top of the line gsm product Animal call Maestro game Calls tube Calls PBC-DEER animal call Huntin' & Gruntin' Our grunt call offers versatillity in being able to change the tone of the call with slight adjustment. Also your preference of inhaling or exhaling on one end or the other. It will produce the sounds needed to lure in your trophy whitetail. Made In USA