This is a high-quality 3/8" pitch, 7-tooth Archer replacement drum and rim sprocket with a needle bearing.
Fits Husqvarna models: 181, 185, 281, 285, 288, 298, 394, 394XP, 395, 395XP, 1100, 2100, 2101
REPLACES PART # 501-5977-02
Oregon# 28094X
Archer Chainsaw accessories are made with quality and sold all over the world.