Kisankraft Pack of 4 Circlip Gear Pinion 12 Outer is a genuine replacement set for 2-stroke brush cutters, compatible with KK-BC-555, 7640, and 8640 models. These high-quality circlips are designed for the gear pinion assembly, providing secure retention of components and ensuring smooth, reliable operation. Ideal for routine maintenance and repair, they help extend the life and efficiency of your brush cutter in demanding field conditions.