Complete Parts: Lawn mower head accessories including 1 x thrust washer, 1 x rider plate, 1x collar nut, 1 x screwdriver, 1x thrust plate protection washer. Good replacement kit: Made of high quality metal material, durable and long service life.For most lawn mowers, brush cutters. General accessories: Upper and lower spacers, protective cover, anti-thread nut fixing kit is suitable for most lawn mowers. Ease of use: Use this set of accessories to fix the mower to a rotating position. They are an alternative product to replace the head of a lawn mower gearbox. Application: The mower gearbox blade nut fixing kit is ideal for lawn mowers, brush cutters, shredders, etc. Note: The data are all measured manually, please allow 1-3cm error, due to differences in light and display, there may be some color differences, please refer to the actual item received.