Valve core default positive direction, if reverse required, please comment or comment to the clientr
I don't know
I don't know
The valve cores in this paragraph are fine teeth (19. 5mm screws), around 7. 7 valve poles (calculated by 7. 4 ~ 7. 7mm) and 20 gears with m4 screws, which are less used. I don't know
I don't know
I don't know
(the other specification is coarse teeth (20. 5mm screws), valves around 8. 2 (calculated by 8-8. 3mm) and gears of 20 teeth, using m5 screws. It's not like you're going to buy it