6 Piece 5/8 Round Shank Indexable Boring Bar Set (1001-0711)

  
Positive rake 90° lead with a 7° relief. Bar 1 has 7/16" minimum bore with 1-1/4" bore depth and a 3 overall length. Bar 2 has 7/16" minimum bore with a 2-1/8" bore depth and a 3-7/8 overall length.