Listing is for two (2) Service Caster Brand 5 inch by 1 1/4 inch non-marking polyurethane shopping cart wheels with a 5/16 bore and a 500 lbs. total capacity (250 lbs./wheel). Fits most shopping and grocery carts. When searching for new or replacement wheels for your grocery shopping carts, consider Service Caster's non-marking and non-marring polyurethane shopping cart wheels. Designed for interior and exterior applications, the dark blue polyurethane tread will not scuff or leave marks. The zinc plating prevents corrosion while the raceway and yoke assembly are sealed for enhanced protection from dust, dirt, and weather. Revitalize your grocery shopping cart's roll with the proven quality of Service Caster Brand. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward.