Hand-held vacuum pump,car tester,car detector Top quality and competitive price Hand-held vacuum pump,car tester,car detector 16PCS Hand-held Vacuum pump Attach many kinds of joint to fit most kinds of vehicles The body was the switch to control two kinds of pressure conditions Include the parts of brake bleeder Pressure range:positive pressure.0~60psi(1~4inhg) , negative pressure.0~-30psi(0~- ...