Pittman Game Calls The Triple Threat 3-Pack. The Triple Threat Pack includes a full range of callers for every situation, including the three most popular diamond cut callers. The Sapphire is a close- to mid-range "finesse call." The White Diamond is a good, solid mid-range call. The Black Diamond is the building block of all diamond calls known as "the call that started it all." This is the most versatile call on the market.