Titanium Whistle Portable Outdoor Survival Whistle High Audio Folding Knuckle Multi-functional bottle opener knuckle

Multi-functional bottle opener knuckle

Hardness:58HRC

gloss batches are slightly different

without paint and wax

Name:Space

Titanium Whistle Portable Outdoor Survival Whistle High Audio Folding Knuckle Multi-functional bottle opener knuckleName: Titanium alloy single tube blowing whistle Model: KS010 Color: titanium primary color sandblasting stone washing blue green gold Material: titanium alloy Specifications: 9. 5*48mm Weight: 5. 3g 5. 4g 5. 6g packaging: simple, plastic bag, 500 pieces box "Single tube burst design" high frequency penetration, up to 120 dB, wide coverage Titanium alloy material, waterproof corrosion resistance, beauty and texture coexist Integrated molding,no ball