Sonic Foam System - Hex Ball Grip Key Set - 7 Pieces - 1/3 (Small) Subtype - Compressed Air Accessories O-ring for thread seal

O-ring for thread seal

but they also serve a functional purpose - keeping the dribble from your pressure washer hose from dribbling

walk about 10 feet back and pull that head cocked to the side move attempting to see it differently

And the 959mm goes with the 1060mm Corner

Outlet = 3/8" Female Coupler:  This 3/8" coupler would receive a 3/8" plug

Sonic Foam System - Hex Ball Grip Key Set - 7 Pieces - 1/3 (Small) Subtype - Compressed Air Accessories O-ring for thread sealThese are the tools I've decided to use at OGHQ, they have a nice quality to them with good ergonomics. They aren't intended to replace everything but there is a great variety of tools offered here. For the price, you cannot beat them vs something that's 2x or 3x the cost like Snap On.