Chainsaw Bar, Stihl, 18 in L Bar, 0.050 Gauge, 3/8 in TPI/Pitch, 66 Link
Stihl ROLLOMATIC E Guide Bar, TPI/Pitch: 3/8 in, Bar Length: 18 in, Steel, Suitable for: STIHL MS 311, MS 391, MS E 250 C-Q Chainsaws