Acme Whistle 210 1/2 210.5 Acme Whistle £9.00 Black - £9.00 Yellow - £9.00 Orange - £9.00 Baby Blue - £9.00 Lime Green - £9.00 Purple - £9.00 Brown - £9.00 Forest Green - £9.00 Beige - £9.00 Coral - £9.00 Quantity: Description Acme High Pitch Whistle - Ultra high pitch without a pea. Produces a solid, single high frequency tone. Typically used with spaniels. Available in black, orange, baby blue, lime green, purple, brown, yellow, forest green, coral and red.