Originally Posted by
Ghrumpy
024 is 1.0-.0.7-1.0 DB. Also available in 024E triple butted. (All Ishiwata "E" series tubing is triple butted)
Also, Kaisei tubing is basically exactly the same as Ishiwata. They even use the same names for the different series.
The charts that I've seen for "E" series tubesets indicate quad butting and that includes the later Kaisei versions.