This part is commonly Used on models:
51836 Flex-Force Power System 60V MAX String Trimmer
88716 14in or 16in 60V MAX String Trimmer, Flex-Force Power System 60V MAX Attachment
51837 Flex-Force Power System 16in 60V MAX String Trimmer
51837T Flex-Force Power System 16in 60V MAX String Trimmer
51838 Flex-Force Power System 17in 60V MAX String Trimmer
51838T Flex-Force Power System 17in 60V MAX String Trimmer
51890T Flex-Force Power System 60V 35CM String Trimmer
51895T Flex-Force Power System 60V 43CM String Trimmer
