Fox 40 Classic Pealess Whistle with added Cushioned Mouth Grip (CMG) Adjustable Fingergrip Powerful low-toned pitch rises above crowd noise and always keeps you in control Lower tone instantly recognized for hockey Ergonomic Ultrasonically welded extension grips to fingers' users Fits securely and snug over group of fingers. Design: 3-chamber pealess Sound Power: 115 dB Fox40 Classic CMG Fingergrip Whistle MS1121230 MS1121230 66143090254