Required chain :- Stihl Picco Micro 3 (PM3), 1/4" P 1.1 mm Chain Specifications Pitch 1/4" Gauge 1.1mm Fits Models MS 150, MS 151 T, MS 194 T MSA 160T, MSA 161T MSA 120 MSA 140 HT 101, HTA 65, HTA 85, HT 103, HT 105, HT 133, HT 135 Available sizes 10" Part number 30050083403 12" Part number 30050083405.
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