The STIHL BR450 BR600 BR700 Throttle Handle and Kill Switch is an OEM part designed specifically for 2-stroke gasoline powered backpack leaf blowers. Made of durable plastic, this throttle handle is a genuine STIHL product that does not require any assembly. It is compatible with the Br450, BR600, and BR700 models and comes in a pack of 1, making it a reliable and essential component for maintaining and repairing your outdoor power equipment.