Referee Whistle - Essential Sports Officiating Tool #312327 (License: Personal Use)

This grayscale isometric illustration shows a traditional pea whistle with a rectangular mouthpiece, a central air channel, and a rounded body. The design emphasizes functionality and recognizability, with subtle shading to convey depth and material texture. It’s suitable for digital interfaces where clarity and neutrality are prioritized.

Used on sports training sites, officiating guides, school PE resources, or as an icon in apps related to athletics; matches user intent for visual identification of referee equipment or symbolic representation of authority and signaling in sports.