Click to expand Tap to zoom hakko-191-212-replacement-sensors-for-fg100-fg101-10-per-pack by Hakko $21.77 | / SKU h-191-212 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart The Hakko 191-212 is a lead-free solder sensor for Hakko 191, 192, FG-100 & FG-101. Set of 10