The FOX 40 CLASSIC Whistle is a reliable choice that can be worn on the fingers. It has a volume of about 115 decibels, making it extremely loud and recognizable even in noisy environments, such as stadiums or on the streets.

• Designed for referees and coaches of all sports
• Adjustable finger grip for comfortable and secure fit
• No moving parts that could jam or break
• Stable, consistent, and reliable performance
• Sound can be heard at a distance of up to 1 kilometer
• Suitable for uniformed services
• Finger grip covered with soft, pleasant-to-touch, and non-slip rubber

The FOX 40 CLASSIC is used by professional organizations such as the NBA, NFL, FIBA, FIFA, NCAA, and FINA.

Whistle dimensions: 2 x 5 x 4 cm (W x L x H)
Whistle dimensions with grip: 2 x 8 x 7 cm (W x L x H)
Color: black
Construction: 3-chamber
Finger grip adjustment: yes, from 4.5 to about 5.5 cm
Net weight: 0.031 kg
Additional weight: 0.043 kg
Package dimensions (blister): 8 x 4 x 17 cm
Brand: Fox40
Model: Classic 9909-0008
Type: no ball
Material: plastic

FOX, founded by Ron Foxcroft, a former distinguished basketball referee, is based in Canada and has a subsidiary in the United States. Its products are sold in over 140 countries.