KONIG CB-12 097 Snow chains, set of 2 195/70-16, 215/60-16 (no Bridgestone Duravis/ no Continental Conti Premium Contact 2), 205/65-16, 205/55-17, 245/40-17 225/40-18, 215/45-18, 245/35-18 The simple and sturdy manual tensioning chain. 12 mm inside and on-the-tread clearance. Certifications: -Norm 5117, UNI 11313, TV.