KONIG EASY-FIT CU-9 102 Snow chains, set of 2 215/65-16, 225/60-16, 235/50-17, 245/45-17, 255/40-17, 235/45-18, 245/40-18, 255/35-18, 225/40-19, 235/40-19, 245/35-19, 255/30-19 9 mm inside and on-the-tread clearance. Anti-scratch nylon bumpers protect alloy wheels (optional application). Certifications: -Norm 5117, UNI 11313, TV. Not for off-road use.