The Winterforce CV is Firestone's Light Truck/SUV Studless Ice & Snow tire designed for drivers of vans, delivery trucks and multi-purpose vehicles that transport heavy loads. Available in heavy-duty, Euro-metric Commercial Vehicle (designated by the suffix C, not to be confused with LT-metric Load Range C) sizes, Winterforce CV tires are for drivers looking for traditional wintertime traction on dry, wet and snow-covered roads.Firestone Winterforce CV winter / snow radials feature a winter tread compound molded into an aggressive directional tread pattern with strong tie bars in the outboard shoulders to stabilize the blocks for confident handling and to resist irregular wear. Wide, high-angle lateral grooves and deep, circumferential channels help evacuate water and slush, and the independent tread blocks are siped to offer the biting edges necessary to provide traction in snow and on ice.The tire's internal structure includes twin steel belts on top of a polyester casing to combine strength with ride quality.Winterforce CV winter / snow tires meet the industry's severe snow service requirements and are branded with the three-peak mountain snowflake (3PMSF) symbol.Install Winterforce CV tires in sets of four only. Related Information: What is the three-peak mountain snowflake symbol (3PMSF)?