Sonic Foam System - Combination Set 1/2" - 82 Pieces - 34" (Large) Subtype - Branding Accessories The MTM Foam Cannon comes

The MTM Foam Cannon comes with a zinc plated/brass plug

Back hole is 2 3/8" and the front hole is 6 1/8" off the back wall

Outlet = 1/4" (Quick Disconnect) QD Coupler:  This 1/4" female QD accepts a 1/4" male plug

About 10 years ago

This is a 1/2" socket set with flank sockets ranging from 10 to 32 mm

Sonic Foam System - Combination Set 1/2" - 82 Pieces - 34" (Large) Subtype - Branding Accessories The MTM Foam Cannon comesThese 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.