Product Description ：
● Hand-held vacuum pump
● Attach many kinds of joint to fit now
kinds of vehicles.
● The body has the switch to control two
kinds of pressure conditions.
● Include the parts of brake bleeder.
● Pressure range:
positive pressure .0 ~ 60 psi (1 ~ 4inhg)
negative pressure.0 ~ -30 psi (0 ~ -1inhg)