Ok. Than we go back to Monsai52's answer. It's not related to the size of the hand spring or even to it's shape but to it's tension force. Steel type...
Lifelong ME resident. Needed solid job before draft. Did not get called up. Surgical tech prior to career firefighter/paramedic.
Studied biochemistry & molecular biology.
Raised a family.
1 son.
2 grandkids.
2 ex-wives.
1 sibling, sister.
1 dog.
Location:
Southern ME
Interests:
firearms, machines, sportbikes, martial arts,
Occupation:
Career firefighter/paramedic 42 yrs. Retired! Martial arts instructor, 5 afternoons weekly
, 
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