4piece polypropylene replacement casters for furniture legs and office chairs. Designed to restore smooth movement, reduce noise, and extend the service life of chairs and light rolling furniture. Key benefits Silent, smooth rotation: Precisionbearing action reduces squeaks and uneven rolling for quieter, more comfortable movement. Durable, wearresistant material: Molded polypropylene provides reliable resistance to daily abrasion and maintains performance over time. Sturdy replacement: Each caster is built to support regular use on office chairs and light furniture, preventing wobble and uneven wear. Easy installation: Simple swapin replacement to refresh worn or damaged casters and get equipment back into service quickly. Ready set: Includes 4 pieces to a full set on a single chair or small furniture item. Function and compatibility Function: Replacement rolling casters for furniture legs and office chairs to restore mobility and stability. Compatibility: Intended for use as replacement casters on office chairs, stools, rolling desks, and other light furniture with compatible caster sockets. Material: Polypropylene construction for abrasion resistance and consistent rolling performance. Performance: Designed for stable, lownoise operation and everyday durability. Practical use scenarios Home office chair: worn casters to stop squeaking, improve maneuverability, and maintain smooth rolling on hard floors and lowpile carpets. Workshop or hobby stool: Restore stable rolling and reliable rotation for stools used at workbenches or craft tables. Mobile storage or utility cart: Swap out damaged casters to a small shelf or cart to full mobility for easier repositioning and floorlevel access. What you get Four polypropylene casters ready for quick replacement Straightforward option to maintain the function and comfort of chairs and light rolling furniture Reliable, practical replacement casters that address noisy or damaged wheels and bring rolling furniture back to smooth, quiet operation.