Braided stainless steel hose and corrosion-resistant pressure gauge. Accurately measures pressure readings prior to installation of appliances. Helps diagnose and locate plumbing problems. Compatible with most standard domestic, garden and washing machine taps. 9mm bore dia and 3/4″ connector. Braided stainless steel hose and corrosion-resistant pressure gauge. Accurately measures pressure readings prior to installation of appliances. Helps diagnose and locate plumbing problems. Compatible with most standard domestic, garden and washing machine taps. 9mm bore dia and 3/4″ connector.