Listing is for five (5) 2" diameter spherical polyolefin wheel light furniture and fixture casters with 7/16" diameter x 7/8" length grip ring stem and hooded bright chrome finish. Supports up to 75lbs/caster.When searching for a reliable, mobile solution to your furniture needs, consider Service Caster’s Series 01 spherical ball casters. Combining dependable functionality with classic aesthetic, these decorative ball casters are the perfect solution as new or replacement parts for chairs, tables, medical carts, or other home and office furniture. The attractive hooded design is made from die cast zinc in a bright chrome finish, adding a sleek luster that complements the fixture to which it is paired. The Series 01 features dual ball bearing raceway construction, heat treated for added durability. Where mounting space is limited, the grip ring stem- also known as friction ring stem- provides a stable, secure fit into drilled or cast holes. Note: This item is NOT recommended for use on hardwood or laminate flooring. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward.