Pewags revolutionary 8-sided design is proven to outlast and outperform the competition. Breaking the mold of conventional round studs; pewag 8-sided stud design allows for a deeper hardening on each individual piece. This chain is engineered for the most aggressive off-road applications, ideally forestry, oil fields, and ice road trucking. High grade alloy construction. Made in the USA! Always pre-fit chains before use. Sold in pairs.