They're AutoSock #697, will fit 225/65r17, 225/65r18, 225/70r17, 225/75r16, 235/55r19, 235/60r18, 235/65r17, 235/70r16, 235/75r15, 235/75r16, 245/45r20, 245/50r20, 245/55r18, 245/60r18, 245/65r17, 245/70r16, 255/45r20, 255/50r19, 255/55r18, 255/60r17, 255/65r16, 255/70r15, 265/40r21, 265/45r20, 265/50r19, 265/55r17, 265/55r18, 265/70r15.

£50 a pair..