Dallessasse Field Trialer Whistle- 5 inch The Dallesasse Field Trialer Whistle uses the British Acme 635 Pealess whistle and combines it with a 5 inch long plastic barrel. The Field...

 Dallesasse Hunt Tester Whistle- 3 inch The Dallesasse Hunt Tester Whistle uses the British Acme 635 Pealess whistle and combines it with a 3 inch long plastic barrel. The Hunt...