Oregon R33 AdvanceCut 8-Inch Chainsaw Chain, Fits Poulan, Ryobi Pitch: 3/8" Low Profile, gauge: .043", narrow kerf, drive link count: 33 LubriTec keeps your chain and guide bar oiled for less friction and longer life Top-Plate Filing Indicators make accurate sharpening easier For pole saw sizes up to 42 cc Always use narrow kerf chain in combination with narrow kerf designed bars Longer nose life and better performance with a new sprocket nose system