Acme Plastic Dog Whistles features a range of plastic dog whistles with or without a pea for reliable high pitched sound with which to control and train your dog to command. Made from a high quality plastic with a stainless steel ring attached so you can link the whistle to your lanyard, choose from standard, ultra, high pitch with or without a cork for your preferred sound choice. Good distance whistles that track a medium to high pitch preferred by dog trainers. Available in 210 - Ultra high pitch with pea, 210½ - High pitch without pea, 211½ - Standard pitch without pea (Creates a single note of med high pitch preferred by labrador and retriever trainers), 212 - Field trialers single pitch Colour: 210 Black Ultra High, 210.5 Black High, 210 Orange Ultra High, 211.5 Black, 212 Black Field Trialers, 212 Orange Field Trialers