1、Help your robot vacuum cleaner change direction, improving their working efficiency. 2、Made from premium material, anti-rust and available for long service life. 3、Easy to install, perfectly replace the broken one. 4、Especially designed to fit for Deebot TCR260 TCR266 CR350 CEN350 D35B. 5、High quality caster which helps to improve the performance of vacuum cleaner. Features: Help your robot vacuum cleaner change direction, improving their working efficiency. Made from premium material, anti-rust and available for long service life. Easy to install, perfectly replace the broken one. Especially designed to fit for Deebot TCR260 TCR266 CR350 CEN350 D35B. High quality caster which helps to improve the performance of vacuum cleaner. Specification: Condition: 100% Brand New Material: ABS Color: As shows in pictures Size: Approx.40*40*40mm/1.57*1.57*1.57in Package weight: Approx.20g Package list: 1* Caster 2* Installation accessories