The original 1/4. 043 picco chain was the Stihl 3670-71PM3 and this chain was ground breaking in it being the smoothest, thinnest and cleanest cutting chain on the market. 019T, MS190T, MS191T, MS192T, MS193T, MS194T11376402006 Stihl Spur Sprocket 1/4 Stihl MS192, MS192T, MS193, MS193T, MS194T.
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