Stens Bar Nuts Replaces Poulan 530015251 and 530015445 Pack of 2 Bar Nuts Replaces Poulan 530015251 and 530015445 Thread Size 5/16"-18 Fits Poulan 236, 1220, 1420, 1425, 1625, 2100, 2400, EL-14 and EL-16