Set of 3 new tires - compatible with Polaris 180, 280, 360 and 380 pool robots New, more durable rubber Soft rubber - ensures maximum traction without damaging the walls of the pool Same tire size as Polaris C10, C-10 Changing the tires is easy and only takes a few seconds. Note: Data are all measured manually, please allow 1-3 cm error due to light and display differences, there may be color differences, please refer to the actual item received.