Features: you will receive 2 pcs. Bumper spikes and 4 pcs. Screws in total. These cut dogs are made of high hardness, good toughness, durable, which can be chosen as a nice tool. Perfect replacement for broken bumper spike lawn mower, lawn mower. Used for 017 018 021 023 025 MS170 MS180 MS171 MS192T MS200T MS210 MS230 MS250.Easy to use and install, can improve the cutting efficiency, will bring you a good using experience. Specification: Material: MetalPackage Included: 2 x Cutting Dog4 x ScrewNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.