Kisankraft Pack of 10 Clutch Bolt Washer (A) is a genuine replacement set designed for 2-stroke brush cutters, compatible with KK-BC-555, 7640, and 8640 models. These washers are used with clutch bolts to ensure secure and stable fastening of the clutch assembly, supporting reliable power transmission and smooth operation. Manufactured for durability and precise fit, they are ideal for routine maintenance and repair of your brush cutter’s clutch system.