Boring Bar with Holder with HSS Tool Bit Included for Lathe Machine Bar 7/8", Holder 1-1/4" Sq. Made from High quality tool steel. Double ended one piece Boring bar of 7/8" diameter x 11-1/4" Long, having 90 & 45 degree square ends. Boring Bar's Square Holder Size : 1-1/8" Inch x 1-1/8" Inch x 4-1/4 Long. Supplied with a HSS tool bit of 3/8 Inch Square along with the Boring Bar & Holder.Epoxy Black Finish for a rust Free life. Listing and template services provided by inkFrog.