Fits Models: Universal Homelite, Ryobi, MTD and McCulloch
Specifications: Includes 5/16" right hand thread, 5/16" left hand thread and 1/4" right thread knobs Includes 5/16" right hand thread, 5/16" left hand thread and 1/4" right thread knobsMulti-Application
Additional Information: Use with 390-295 Trimmer Head Springs 390-295 Trimmer Head Springs
