[Size] 3/4-14 NPT,can work with 10mm hexagon wrench.
[Material] Aluminum alloy 6061-T6, black anodized.
[Seal] The allen head 3/4 NPT plug is sealed by a 60 degree tapered thread.(Sealant or PTFE tape is recommended for installation)
[Parameter] Working pressure: 1500PSI. Temperature range: -65°F-252°F.
[Installation ] Easy to install,just use a hex key to screw in.