The Diaphragm Listening Stick incorporates a sound enhancing chamber for improved sound resonance, complete with larger ear piece and protective rubber cover.
The Listening stick is available in 4ft and 5ft lengths with straight or angled head
Both types are available as single or two piece shaft construction
The Diaphragm Listening Stick illustrated (Part No. 13600A) is a 4ft straight type.
The same Listening Stick is available as
4ft Length (Part No. 13595)
Other lengths are avaliable upon request