Product Description

This is the Acme Thunderer whistle that is used by referees around the world.

• 477/59.5 Variant - Medium

• 477/58.5 Variant - Large

• The most common whistle for hockey officials

• Adjustable so it fits on all sizes of fingers

• Tapered mouth

• Original ACME Cushion Grips

• The most consistent sound

Note: For health reasons, whistles can not be returned or exchanged.