I pulled it out just trying to make sure I get the right balances. It's 3/8 dianmeter and 29 inches long.
Jasmine from SWISCO responded:
March 14, 2023
Thanks for reaching out! Based on your measurements and photos, I believe you have our S400-29 with a black tip. These balances are installed using the 75-005 non-tilt charging tool.