S21-63PA uses S mount (single adjuster-hole set)
Cutting length is limited by length of your 2x4" timber rails
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Replaceable bar nose very easy to change
Drive link: 72
SUGI HARA Light Weight 14" 3/8LP .050 AD Stihl clearance S21-63PA uses S mount (singleSUGI HARA Light Weight 14" 3 8LP . 050 AD Stihl Pitch: 3 8LP" (low profile) Gauge: . 050" Drive link: 50 Length: 14" 35cm Weight 460gm Mount: AD Part: SL2M 0N35 A Made in Japan Bar is Not Compatible with . 325" pitch chains or drive sprockets fitted to some models listed. Check your chainsaw drive sprocket is 3 8LP before purchasing Fits: STIHL 009, 009 L, 010, 011, 012, 015, 017, 018, 018 C, 019, 019 T, 020, 020 Super, 020 T, 021, 023, 023 C, 023 L,