Wheel size wheels for 2022 Kingham

Hi all,
I will be picking up my Auto Sleeper  Kingham on 5th september,and im in the middle of sorting out extra security for peace of mind,
I was wondering if any of you knowledgable people,could be so kind as to tell me what the wheel size is on the 
Kingham,so i get the correct size wheel clamp.
Thanking you all in advance.
Kevin

Hi on ours the wheels are 16” with 215/75 R16 tyres fitted

Thanks Dave,much appreciated