Unscrew the valve cover Install to tire valve core After the pointer stabilizes, the valve is read directly Rubber sleeve Air intake mouth Mechanical Pointer diaFor accuracy, check pressure when tires are cold. Pressure increases with heat. Tires can lose one pound per month under normal conditions. Proper tire pressure improves gas mileage, handling, braking and durability.

item	Mechanical tire pressure gauge
Size	42.5*7.4*3.3cm
Function	Pressure check,tire inflation, tire deflation
Application	for SUV RV CAR TRUCK bike motorbike
Certification	CE Rosh FCC
Pressure range	0-170psi,0-12bar
Working temperature	-15 to 60℃
Type	mechanical
Color	Black
N.W./G.W.	129G/179G
Brand	Win Glitter
Model Number	Y-T021
Warranty	12 Months
Package Type	Box: 16*8*3.7cmCarton: 39*39*34cm , 80 pcs/ctn 15.5kg