Stihl 1123 640 2077 Fixed Drive Sprocket 8T 1/4" pitch

Stihl 1123 640 2077 Drive Sprocket 1/4" pitch 8T fits Stihl 017, 018, MS170, MS171, MS180, MS181 chainsaws.

This is a 1/4" sprocket for use with carving bar, NOT the standard 3/8" sprocket.

ST1123 640 2077 / 1123640277