This Stens 1/2 in. x 66-1/4 in. OEM Replacement Drive Belt provides the performance needed to keep outdoor power equipment operating efficiently and dependably. The drive belt is made tough to withstand the harsh rigors of yard and garden work, and handle frequent stops and starts common to outdoor power equipment. Stens replacement drive belts resist cutting, breaking and stretching that can prematurely end the service life of lesser quality belts. Premium-quality materials are less likely to experience damage from outdoor working conditions and less likely to loosen from stretching. The drive belt maintains its strength, shape and flexibility throughout the hottest days of summer and the coldest days of winter. Contaminants like dust, sand and soil will not compromise the performance or service life of this drive belt. Stens belts offer an exceptional value that pays off with a higher performance and a longer service life.