I asked the seller about the size and he said it's M10 it's not. The contact tip was one size only, not an assortment. It comes with 1.0mm / 0.040". This size is unusable for me as I don't use that wire size.
Hakko 599B 02 Wire Type Soldering Cleaner
11 Review
Hakko T18-BR02 Soldering Tip - T18 Series for Hakko FX-888/FX-8801 - Conical Shape - Bent 30 Degrees - R0.2 mm x 10.5 mm
12 Review
309LFC-O X .035 X 1LB Spool Gasless Stainless Steel Flux Core Welding Wire by Blue Demon
12 Review
Continental Conti4x4Contact 265/60 R18 110H summer
23 Review