[H MAN]

Fix/Restore your old Wagtail swivel connection like new.
PLUS MANY OTHER SWIVELS
Take only minute or so to do.
All needed in a barrel nut / sheet metal screw plus piece 6mm outside diameter irrigation tube.
Seconds to put together.
NO MORE WEAR FROM THREADED BOLTS. 

https://youtu.be/DWjg19hiX

[H MAN]

Put this up for the people that were complaining that the swivel on there brushes.
Kept going loose making it flop from side to side.

[H MAN]

(To the moderators please remove if this is not allowed. )
Here's where we got the screws and the barrel nuts from. 
SHEET METAL SCREWS 5MM X 12 OR 10MM
https://www.ebay.com.au/itm/M5-M6-Sheet-Metal-Screws-Pan-Head-Phillips-Self-Tapping-Screws-304-A2-Stainless/222127087513?ssPageName=STRK%3AMEBIDX%3AIT&var=520978044263&_trksid=p2060353.m2749.l2649
6MM FEMALE THREAD HEX SOCKET HEAD THEY HAVE DIFFERENT LENGTHS.
https://www.ebay.com.au/itm/M6x18mm-Female-Thread-Hex-Socket-Head-Screw-Post-Furniture-Fittings-16pcs/252897299974?ssPageName=STRK%3AMEBIDX%3AIT&_trksid=p2060353.m2749.l2649