Model	Tension Scope(g.f)	Reference wire diameter scope(mm)
ET-30	3~30	Ā0.02~Ā0.06
------	-------	-------------
ET-100	10~100	Ā0.04~Ā0.12
ET-200	20~200	Ā0.05~Ā0.16
ET-300	30~350	Ā0.10~Ā0.23
ET-500	80~500	Ā0.12~Ā0.30
ET-1000	100~1000	Ā0.15~Ā0.45