Trimmer Bump Head Knob fits Homelite 308042003 A-97910-A DA97910A UP06764 S1400
Oregon 55-816 Trimmer Bump Head Knob

Description:  5/16" Left-hand thread; Bump knob for curved-shaft trimmers with extended spindle shafts.

Replaces OEM Part Number:  
Homelite: 308042003, A-97910-A, PA01271, DA97910A, UP03209, UP06764
John Deere: UP06764

Fits Model:  
Homelite: ST-385, ST-385C, HLT28, ST285BC, GST-BC, ST485, ST-385BC, HBC-30, ST-275, ST-385BC, HBC-30, ST-275, S1400, DC1600 and LLST-375
John Deere: S1400 and DC1600

Specs:  
Left-Hand Thread: 5/16"