Oregon L74 Replacement Saw Chain, 18" Bar Outlet Boxes One construction for factory assured

One construction for factory assured terminations rolled edge door for cord protection

It will also protect against split bird seed and bird droppings

Head : 1/4"

Fits 4" round duct

Oregon L74 Replacement Saw Chain, 18" Bar Outlet Boxes One construction for factory assuredHighlights: Bar Length: 18" Drive Link Count: 74 Fits Stihl brand chainsaws Smooth cutting low kickback stays sharper longer Unique cutter design cuts smooth and fast with minimum kickback Engineered for safety, performance, and quality Clamshell WARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go