Blue finish: Cold Blue blueing FAST & STRONG for steel 50ml
Dip and brush finish for steel!
COLD BLUE fast & strong: the strongest browning !!!
for an absolutely deep black finish!
- incredibly fast (> 1 min.)!
- for deep black mending
- for small damage and ...
- for large areas of browning
(not suitable for aluminum or stainless steel).
50 ml bottle + instructions