Polished Deep Green Marble Signal Whistle / Barrel Component (Model SW-504)

Precision-crafted from polished natural stone featuring deep green marbling with elegant white veining, this extra-large cylindrical barrel module is built for maximum strength and a premium aesthetic finish. Designed with a smooth, hollowed interior channel with precise dimensions (8.0cm x 2.6cm). Ideal for custom signal whistle assemblies, outdoor hunting game calls, or high-end decorative gear accessories.