These Heat nippers must be used with suitable transformer.
Spring loaded.
Cutting capacity:
[HT180 /HT120 /HT130 /HT140 /HT160 /HT170 /HT180DX]φ4mm.
[HT200]φ7mm.
Heater type:
[W19] for HT180 /HT120 /HT130 /HT140 /HT160 /HT170 /HT180DX.
[W29] for HT200.
Transformer type:
[TRF25] for HT180 /HT120 /HT130 /HT140 /HT160 /HT170 /HT200.
[HTR100D] for HT180DX.