Kisankraft Pack of 3 Housing Pipe Rubber Bush (28 mm) is a genuine replacement set for 2-stroke brush cutters, compatible with KK-BC-555, 7640, and 8640 models. These 28 mm (2.8 cm) rubber bushes provide cushioning and secure support for the housing pipe, reducing vibration and ensuring smooth shaft alignment. Ideal for maintenance and repairs, they help maintain the durability and performance of your brush cutter in tough field conditions.