The ⚀ennea·unqua·massel, or ⚀jack·mass

Quantitymass
Formal name

ennea·unqua·mass
⚀quaddubcia·hand·mass

Formal abbr⚀e•u↑msℓ 
⚀q②↓hdms
Colloquial name⚀jack·mass
Colloquial abbr⚀jck·ms
Derivation90z ⚀massel
2−4 ⚀hand·mass
Derivation abbr90z ⚀msℓ
2−4 ⚀hd·ms
TGM equiv

≈ 4 tricia·Maz

TGM equiv abbr≈ 4 t↓Mz
SI & USC equiv

 59.5898053629801d gram
2.1020273837229d ounce

scaling01:08:+:01:9.0000