The STIHL MA020071003 chain brake parts set is an original equipment manufacturer (OEM) component designed to restore the functionality of the chain brake system on compatible STIHL chainsaws. This essential safety part ensures the chain stops quickly in the event of kickback, protecting the operator. Manufactured to STIHL's rigorous quality standards, this set provides a precise fit and reliable performance, crucial for maintaining the safety and operational efficiency of your chainsaw.