Polished Deep Green Marble Signal Whistle / Barrel Component (Model SW-501)

Precision-crafted from polished natural stone featuring a deep green marbling with distinct white veining, this elongated cylindrical barrel module is built for durability and high-end aesthetic appeal. Features a smooth, hollowed interior design with precise dimensions (5.5cm x 1.8cm). Ideal for custom signal whistle assemblies, outdoor hunting calls, or premium decorative gear accessories.