HIPA Bumper Spike with Sprocket Cover Studs / Nuts for STIHL 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 Chainsaw Package include: 2 bumper spikes, 2 sprocket cover studs / nuts Fitment models: STIHL 017 018 021 023 025 MS170 MS180 MS210 MS230 MS250 Chainsaw You will receive what you see in the picture