The product is a Dolmar Flywheel with part number #027141021, designed specifically for Dolmar Chainsaws. This flywheel is a crucial component of the chainsaw's engine, providing the necessary momentum for the engine to operate effectively. As a genuine Dolmar part, it ensures compatibility and performance tailored to Dolmar chainsaw models. Perfect for replacement or repair, this flywheel is essential for maintaining the optimal functionality of your chainsaw during operation.