The Blizzak LM-80 is Bridgestone's Light Truck/SUV Performance Winter / Snow tire developed for crossover and SUV drivers that want to retain their vehicle's sporty appearance, even through winter. Available in low profile tire sizes appropriate for large diameter wheels, Blizzak LM-80 tires are designed to provide wintertime traction on cold, dry, wet and snow-covered roads. Blizzak LM-80 tires feature an advanced winter tread compound that remains pliable in cold temperatures to enhance traction in snow and on ice. This compound is molded into a directional tread design featuring firm shoulder blocks flanking independent intermediate blocks and a continuous central rib to aid steering response and straight-line stability. High volume grooves remove water and slush from the contact patch, as well as enhance grip on loose snow. Blizzak LM-80 tires feature the Lamellen "edge effect" where multidirectional sipes in the tread blocks provide biting edges to help grip snow and enhance winter traction.The tire's internal structure includes twin steel belts reinforced by spirally wrapped nylon to blend high-speed durability with uniform ride quality. Blizzak LM-80 winter / snow tires meet the industry's severe snow service requirements and are branded with the three-peak mountain snowflake (3PMSF) symbol.Install Bridgestone Blizzak LM-80 tires in sets of four only. Due to the traction capabilities of the Blizzak LM-80, Bridgestone recommends using Blizzak LM-80 tires only in sets of four to provide the best handling characteristics and tire performance. Related Information: What is the three-peak mountain snowflake symbol (3PMSF)?