Emergency brass whistle key pendant
Product Description: the excellent texture of brass is generally liked by people. Brass is Cu Zn alloy, containing some micro manganese, nickel, lead, iron, silicon, etc. because it contains nickel, iron and other magnetic trace elements, it can be attracted by magnets. Slight magnetism is normal!
Product shape: bright face whistle, brushed whistle, slub whistle, bottle opener 4
Product specification: 4.7cm in length, 1mm in wall thickness
Product weight: 15g
In outdoor activities, whistles are not only for entertainment, but also for rescue. Brass whistles belong to military fans and can also be used for referee whistles.