Standard Pack = 1 piece(s). Distance Across Flats = 9/16 inch ; Insert Inscribe = 3/8 ; Maximum Bore = 3 3/4 inch ; Minimum Bore = 3/4 inch ; Overall Length = 5 1/2 inch ; Right/Left Hand = Right ; Shank Diameter = 5/8 inch ; Type = High Performance Indexable Boring Bars ; Use Insert = TPG-32 ;