Wheelchair Casters replacement set designed for quiet, smooth, and lightweight rolling on indoor and outdoor surfaces. Solid construction with anti slip and wear resistant properties makes these casters practical for long term use and easier maneuvering. Key benefits Smooth and quiet rolling for comfortable travel on different surfaces. Lightweight design that reduces effort when pushing or turning. Durable solid construction that is dustproof and wear resistant for extended use. Strong load bearing capacity for reliable daily performance. Features and specifications Color: Black Wheel diameter options: 5 inch, 6 inch, 8 inch (13 cm, 15 cm, 20 cm) Axle bore: 8 mm / 1/4 inch Wheel width: 2.8 cm / 1 1/8 inch Shoulder width: 4 cm / 1 5/8 inch Includes: 2 wheelchair casters and 2 screws Suitable for indoor and outdoor use Compatibility Designed as front wheel replacements for wheelchairs, walkers, rollators, and other mobility equipment that use compatible caster sizes and axle bores. Check that the wheel diameter and axle bore match your existing wheels before . Use scenarios worn front casters on a manual wheelchair to restore smoother steering around the house and in public spaces. Fit on a walker or rollator to improve stability and reduce effort when moving across tile, carpet, or pavement. Use as spare casters for mobility equipment during travel or extended outings. Installation and notes Before , carefully measure your old wheel and confirm the diameter, axle bore, and shoulder width match the listed sizes. If sizes do not match, do not install. Manual measurement may have a tolerance of 1 to 2 centimeters. Please allow for this possible variation. Supplied with two casters and two screws for straightforward replacement of a pair of front wheels. These casters provide a practical, long lasting replacement option to improve rolling performance and maintain mobility equipment function.