Poulan Chain Adjustment Pin part# 023064 supersedes to part# 530-023064. This chain adjustment pin was used on the following Poulan chainsaws; 2700, 3000CB, 3000, 306A, 3100, 3300, 3350, 3450, 3500, 3600, 3750, 3800, 4200, 4400, 4900, 5200, 5400, 6900, 7700, 8500, 4000, 3700, 2800, 3400, 285, 305, 335, PP380, 375, 385, 395, PP285, PP305, PP336C, PP365, PP365C, PP375, PP385, PP395, and S23 Arbor Pro. There may be models that use this part that we do not have listed here. Please refer to your owners manual or a parts breakdown for your model, to assure that this is the correct part for your machine, before you order.