Sonic Foam System - Hex Ball Grip Key Set - 7 Pieces - 1/3 (Small) Subtype - Compressed Air Accessories Outlet = 3/8" Female Coupler:

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

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

Please note: These items are sold each

It also won't do well if you are really hard on your windshield

Simply unscrew the watertight housings and remove the spent cartridge

Sonic Foam System - Hex Ball Grip Key Set - 7 Pieces - 1/3 (Small) Subtype - Compressed Air Accessories Outlet = 3/8" Female Coupler:These 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.