Oregon 106658X Fixed Consumer Spur Chainsaw Chain Sprocket SCS718A 30050083405 uses a 1/4" low

30050083405 uses a 1/4" low profile pitch saw chain

325" pitch (Oregon Type 21) with 56 drive links

Small radius nose helps reduce kickback

30050003205 uses a 1/4" pitch chain

Oregon 106658X Fixed Consumer Spur Chainsaw Chain Sprocket SCS718A 30050083405 uses a 1/4" lowOregon 106658X Fixed Consumer Spur Chainsaw Drive Sprocket The chain driving spur is made from a unique copper infiltrated material offering excellent wear characteristics. Drives a 0. 325" pitch chain. A needle bearing is not supplied with this particular sprocket. If required, please purchase 11893 The picture is a 'common library picture' and is to give an indication only of the sprocket style of 106658X