High visible reflective center

Do not add any additional length to the measurement for slack

Quick release buckles

and easy to clean – and impresses with its environmentally friendly properties

Fits ET-300 and ME-300 Controllers

Herm Sprenger Silent Whistle maxtac arrow High visible reflective centerAudible to dogs for 400 Meters Barely audible to humans User adjustable pitch [split] This classic Herm Sprenger Silent Dog Whistle is barely audible to humans but can be heard by dogs for up to 400 Meters. Features an adjustable pitch and includes plastic cover for safe storage. Made in Germany and guaranteed to be authentic Herm Sprenger.