Hayate Clamp Housing Set M
7.7mtr Pole saw has all three sets S M & L
6.1mtr Pole saw has all three sets S M & L
5.0mtr Pole saw has sets S & M
3.8mtr Pole saw has set S
The clamp housing sets are on the handle extension, lower middle extension and upper middle extension.
The top extension of all pole saws does not have a clamp housing set on it. It only slides down through a clamp housing on the extension below it.