Universal Trimmer Line Head Grass Strimmer Trim Cut Bolts Set Bump Feed
Manufactured to replace original bump feed head and spool. Supplied with the following bolts to fit most models Right hand thread, M6 x 13mm, M8 x 13mm, 5/16UNC x 1/2", 1/4UNC x 1/2". Left hand thread: M8 x 13mm, 5/16UNC x 1/2".