Drive away quick release attachment

[Yorkshre Lass]

Hello- I am about to buy a Vango Kela Tall Driveaway Awning for our Adria Matrix 670SL - i understand about the quick release figure of 8 extra attachment BUT it seems you can buy 6mm or 4mm? How do I know which to buy?
Many thanks in advance for anY device aND pointers.
Yorkshire Lass

 

[Spriddler]

This is the fixing kit available for 4mm/6mm rails or 6mm/6mm rails according to whether you have a Fiamma F45 or an Omnistor.
The advert says:

• Fitting onto a Fiamma F45 / Omnistor rail - get a 4mm/6mm rail fixing kit below with bundles.

This is the rail to which they refer...

This is the fixing kit for the 6/6

Vango DriveAway Kit for 6mm - 6mm Rails (4 Metre)

Perfect for attaching your awning to a 4 metre rail, attaching with a 6mm - 6mm fitting, including the figure of eight and the Kadar rail.

www.outdoorworlddirect.co.uk

and this one for the 4/6

Vango DriveAway Kit for 4mm - 6mm Rails (3 Metre) (Ideal for Fiamma)

Ideal for those wanting to attach their awning to a motorhome rail, or a Fiamma F45 awning, the attachment kit will provide a secure and stable attachment to your drive away awning.

www.outdoorworlddirect.co.uk

This is the awning........

Vango Kela V Tall AirAway Awning

The Vango Kela V Tall is a drive away, stand-alone awning, which has been vastly improved for the new camping season, offering a much more durable product, due to the new 420 Denier fabrics used to manufacture the product. Perfect for any vehicle or motorhome needing a quick pitching awning for...

www.outdoorworlddirect.co.uk

 

[pappajohn]

Measure the diameter (accurately) of the open end of the slot in tha awning.
A 4mm will fall out of a 6mm slot and 6mm won't fit at all in a 4mm.