The STIHL 42827109020 is a genuine OEM right shoulder strap designed for specific STIHL backpack blower models including the BR 500, BR 600, BR 700, and BR 800. This essential component provides comfort and support during extended use, ensuring proper weight distribution and secure fit for the operator. Manufactured to STIHL's rigorous quality standards, this strap is a direct replacement part for maintaining optimal performance and user ergonomics of your equipment.