Polished Deep Green Marble Signal Whistle / Barrel Component (Model SW-507)

Precision-crafted from polished natural stone featuring rich deep green marbling with subtle textured veining, this heavy-duty extra-wide cylindrical barrel module delivers exceptional strength and a refined aesthetic finish. Designed with a smooth, hollowed interior channel with precise dimensions (9.0cm x 4.0cm). Ideal for custom signal whistle assemblies, outdoor hunting game calls, or high-end decorative gear accessories.