Troy-Bilt? 2-Cycle Gas Trimmer (TB20CS)

31CC Spring assist Chrome plated cylinder 17" curved shaft Bump head .080 dual line Adjustable D-handle Replacement cartridge-Ace no. 7102304 (model no. 153577), replacement bump knob-Ace no. 7102338 (model no. 153066), and replacement line-Ace no. 7115660 (model no. 610375) 2 year limited warranty