Proto JSCVMS 13S Combination Wrench Set, Metric, 13 Tools, 6 19 mm, Stubby Ratcheting, Alloy Steel, Black Chrome G9404254 Standards USCG Approved Standards USCG Approved Gas For Potable Water Use Yes Minimum Operating Temperature 10 Degrees F Outlet Connection Type NPT Outlet Connection 1 8 in Female NPT Manifold Material Grade 6061 Maximum Operating Temperature 200 Degrees F Flow Direction Inline Manifold Material Aluminum Outlet Spacing 3 4 in Material Black Anodized 6061 Aluminum Inlet Connection Type NPT Manifold Material Finish Black Anodized Manifold Shape Rectangle Outlet Connection Gender Female Resistance Properties Corrosion Resistant Box end is countersunk for easy application to the fastener 19mm Wrench Material Steel Standards ASME Flexible Head No Wrench Shape Straight Head Movement Fixed Min