3PK Black & Decker 90567077 OEM string trimmer replacement lever assy 90567079 
3 ( pack ) 
This part is compatible with the following machines:

Black and Decker

NST2118 Type 1 18V String Trimmer
LST220 Type 1 20V String Trimmer
LST220FC-AR Type 1 20V String Trimmer
LST220FC-B2C Type 1 20V String Trimmer
LST220FC-B3 Type 1 20V String Trimmer
LST220FC-BR Type 1 20V String Trimmer
LST136 36V String Trimmer
GH610 String Trimmer
GH900 (Type 1) 6.5 Amp String Trimmer