@its_virgil ,
@Chippa
Thank you to both of you for this info.
I was already aware of this innovation/improvement by Berea but just did not recognize it in the pictures.
Now that I re-look at the pics, I can see that the clicker push-button is of larger diameter than in the older Berea Sierra click pens
and that is because of the Schmidt SKM-88, which has a larger diameter push-button than in the original Sierra click.
Here is a link to the Berea Sierra Super Button Click Chrome for the benefit of any who may be interested:
Check out the deal on Sierra® Super Button Click Chrome at Pen Kit Making Supplies Berea HardWoods
www.bereahardwoods.com
One of the "issues" with the older Sierra button click was that it required a "refill extension piece" which was a 0.5" long metal cylinder that was easy to lose when you replaced the refill. . That extension piece has now been eliminated in this new design making for further improvement.
Together, these two improvements make the Sierra Super Button Click the quietest and most reliable of the pen kits of this type and style.
I always had a strong liking for the Berea Button Click and this liking has become an undying love affair with the Berea Super Button Click !!
Thanks, Berea !!!