Wide Compatibility: This front caster is engineered to fit a wide range of robot vacuum models, including the AV and RV series. It seamlessly replaces models like the AV1010AE, RV1000, and RV761 for optimal functionality. Enhanced Mobility and Efficiency: Give your robot vacuum a with this front caster. The ensures smooth navigation and thorough cleaning, preventing dragging and misalignment that can hinder cleaning performance. Easy Installation: One front caster is included for quick and easy installation. This allows you to quickly restore your robot vacuum's mobility and extend its lifespan without professional assistance. Universal Application: Whether you own a AV, RV, UR, or QR series robot vacuum, this replacement caster is engineered to compatibility across a wide range of models. A single solution meets the needs of multiple models. Durability: Made of materials, this accessory is washable and reusable. This design ensures long-lasting performance and reliability for a variety of cleaning challenges. Color: Black Material: PP+EVA Package Contents: 1*Vacuum Front Caster Wheel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.