tires suitable for the wheels of the Roomba robot vacuum cleaner

Outer diameter: 6.5 cm Inner diameter: 6 cm Length: 1.9 cm Thickness: 0.5 cm Silicone hardness: 70 Compatible with: iRobot Roomba 500 505 510 520 521 530 531 532 533 534 535 536 540 545 550 552 555 560 561 562 563 578 595 599 600 605 610 615 616 620 621 625 630 631 632 639 650 651 660 670 680 681 700 720 750 760 765 770 772 774 775 77 6 780 782 785 786 800 850 860 865 866 870 871 69 9 69 69 9 Material: Silicone Color: Black Package Contents: 4 Tire Belt Accessories Only the above-mentioned package contents are included. Other products are not included. Note: The color of the items in the photos may slightly differ from the actual product due to lighting and your monitor settings. A margin of error of +/- 1 to 3 cm is possible.