TRI LINK for Stihl Chainsaw Chain 12" / 30CM) MS170, MS171, 017 Chainsaw 44dl
(Saw Chain For Stihl Chainsaw 12" / 30CM) MS170, MS171, 017. One (1) TRILINK Professional semi chisel low profile chain. Simply one of the best chain available. Check your bar for correct sizing. 3/8"(.365") 0.043" (.43" 1.1mm) 44 Drive link.