Chain Size: 3/8" LP, .050" Gauge, 33 Drive Links,  Fits 8" Guide Bars
For WEN 4019 4021 Electric Pole Saw 

Please note: 
*The same model may use different bar sizes resulting in different chains. Please make sure your model is using the bar and chain size specified in our description before purchase. 
**These are replacement parts, not OEM made. Please select another listing if you are looking for OEM parts.