55-994 Oregon Multiple Application Bump & Go Trimmer Head.  Fits many MTD, Homelite, & Murray Trimmers.

Product Description
Oregon Multiple Application Bump & Go Trimmer Head / 55-994

Fits Homelite, Ryobi, MTD, & McCulloch
For curved shaft Trimmers with extended
spindle shafts Includes 5/16" right hand
thread, 5/16" left hand thread, & 1/4" right thread knobs

Replacement parts
1. 55-821- 5/16 RH bump knob
2. 55-816 - 5/16 LH bump knob
3. 55-743 -1/4 RH bump knob

Replaces Oregon 55-053

SF-A