Bumper Spike Screws (Pack of 2) : 9074 478 4125, 90744784125
Fits: Stihl 017 018 021 023 025 MS170 MS180 MS210
tags: Stihl 017 screw, 018 bumper spike screw, 021 bumper screw, 023 bumper spike, 025 spike screw, MS170 bumper spike screw, MS180 bumper spike screw, MS210 screw, 9074 478 4125, 90744784125