Oregon 30-221 Air Filter, Stihl 1145 140 4400 Blades The Collar Screw D9/M8 is

The Collar Screw D9/M8 is a genuine Stihl OEM fastener specifically designed for Stihl petrol chainsaws

Cover provides solid abrasion resistance with enough bite to hitch firmly onto ropes

and incorporates a unique sideplate that opens while the pulley is still attached to the anchor

using a dual tempered process which makes them hard enough to hold an edge and tough enough to take a beating

allowing moving parts to operate smoothly even after wear

Oregon 30-221 Air Filter, Stihl 1145 140 4400 Blades The Collar Screw D9/M8 isOregon filters are designed to meet or beat OEM specifications and keep your engine clean and free of unnecessary debris