COMPLETE SET, New, really, just looks like it was used once
The person lost one of the nuts for a fitting, new one ordered & included
This was surplus from local University maintenance tool room downsizing 

Please note, EVERYTHING is included (including extra collar missing one nut)
Hoses, New gloves, Safety glasses, Manual, Pristine hard case

Quick and careful FedEx or UPS Ground shipping anywhere eBay goes

Satisfaction guaranteed or A-OK to return within 30 days for refund 

20+ year eBay seller with 100% Positive Feedback - THANK YOU ALL!