[1 9-pack 1 & 2 Boring Bar]
[1 12-pack 5 & 8 Boring Bar]
Boring Bar Shank Diameter : 1/2"Minimum Boring Range: 5/16" - 9/16"Overall Length:2-1/4" to 4-1/2"Boring Depth Range: 3/4" to 3"Package Includes : 9 pcs Boring Bar Set3pcs. 5/16" minimum bore (1 ea. 3/4" bore depth x 2-1/4" overall, 1 ea. 1-1/8" x 2-5/8", & 1 ea. 1-1/2" x 3")3pcs. 7/16" minimum bore (1 ea. 1-1/8" bore depth x 2-5/8" overall, 1 ea. 1-11/16" x 3-3/16", & 1 ea. 2-1/4" x 3-3/4")3pcs. 9/16" minimum bore (1 ea. 1-1/2" bore depth x 3" overall, 1 ea. 2-1/4" x 3-3/4", & 1 ea. 3" x 4-1/2")