Introducing the world famous Molten Valkeen football referee whistle. Designed specifically to suit the professional football referee. Produces a clear-cut high pitched tone that carries for long distances. Superior quality whistle made from long-lasting highly durable plastic. Unique "Flip Grip" mechanism allows access while on the move. Intended for an outdoor setting. OPTIMUM TUNING Football referees look for "pitch", "resonance", "solid sound" "penetration" and "impact". The optimum sound of the Molten Valkeen fulfills all these requirements. 125dB/10cm, 4.15kHz & 3.67kHz, 4oct A sound achieved through the best technology. The Valkeen, with two interfering frequencies, 4.15kHz and 3.67 kHz produces a unique beat. Moreover, the extended fins direct the airflow to produce a solid cutting sound comprising 4 octaves of high-level harmonics. Box contents 1 x Valkeen whistle3 x Finger 'Flip Grips' sizes S, M and L to accommodate different finger widths. To determine the appropriate size, measure the thickest part of your middle finger and select accordingly.1 x Valkeen lanyard
