Nankang NS-1 not the most expensive tyres in the world but i can say they are very good for the price
Here's whats tyretest.com rated them as:-
Average of 52 completed tests
Score: 1-best 6-worst Ø2.3
Grip in dry conditions 1.8
Braking in dry condtions 1.9
Grip in wet conditions 2.6
Braking in wet condition 2.6
Grip in snow 4.8
Comfort 2.5
Tyre noise (in car) 2.3
Tyre noise (external) 2.3
Tyre wear 2.5
Kilometers driven 702.700
I can arrange delivery if needed which i think will cost around £35