Standard Pack = 1 piece(s). Distance Across Flats = 7/8 inch ; Insert Inscribe = 3/8 ; Maximum Bore = 4 inch ; Minimum Bore = 1 1/16 inch ; Overall Length = 6 1/4 inch ; Right/Left Hand = Right ; Shank Diameter = 1 inch ; Type = High Performance Indexable Boring Bars ; Use Insert = TPG-32 ;