Listing is for four (4) 2″ diameter metal ball light furniture and fixture casters with 3/8” diameter – 16 TPI x 1-1/2” threaded stem and windsor antique finish. Supports up to 75 lbs. per caster. When searching for a reliable, mobile solution to your furniture needs, consider Service Caster’s Series 01 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. Made with the finest craftsmanship and quality materials, these casters are built solid and ready to roll. Service Caster is unsurpassed in quality, reliability, and excellent customer service. Count on us to move you forward.