Zink Thunder Ridge Crystal Pot Calls. Crafted using state-of-the art injection molding technology the durable polycarbonate-blend pot is completely waterproof and holds steady in your hand with an easy-grip ring. The perfectly paired striker can be field-ready in an instant with the built-in conditioning pad. At 150 yards or 15 feet this innovative call provides a fantastic range of sound with one common denominator " it drives gobblers wild Specifications for Zink Thunder Ridge Crystal Pot Call: Manufacturer: Zink Call Type: Pot Style Country of Origin: USA Features of Zink Thunder Ridge Crystal Durable waterproof polycarbonate pot Hand-built and hand-tuned Easy grip ring Built-in striker conditioner Package Contents: Zink Thunder Ridge Crystal Zink ZNK-ZNK304: Thunder Ridge Crystal Pot Calls