HIPA (Pack of 5) impulse Line Hose Tube for STIHL 029 039 064 066 MS290 MS310 MS390 MS640 Chainsaw # 1127 141 8600 Replace manufacturer part number: 1127 141 8600 Fitment models: STIHL 029 039 064 066 MS290 MS310 MS390 MS640 Chainsaw Qty: 5pcs