Genuine Stihl Skeletonized Dog Spike Set (one pair) that fits many of the STIHL range of saws
from the 034, 036, 038, up to the 661 (do not fit MS461)
They are also slightly larger than the factory spike to give you more bite
There are German made of Hi Tensile Steel so you know your getting the best
Sold as a pair ( 1 x inner and 1 x outer spike)