【Black is the original nails of the Migao roller skates, with gaskets KSJ TRIX IGOR HV GTX HVG series general 8MM diameter】
【Ordinary roller skates 6MM diameter】
【Mid-end roller skates 8MM diameter】
The bottom nails can be screwed with a 4MM hexagon wrench
(Just the wrench for screwing the wheel screws)
If you have any questions, please contact customer service!
1824573180