Standard Pack = 1 piece(s). Distance Across Flats = 5/8 IN ; Insert Inscribe = 3/8 ; Maximum Bore = 4 1/2 IN ; Minimum Bore = 13/16 IN ; Overall Length = 6 1/2 IN ; Right/Left Hand = Right ; Shank Diameter = 3/4 IN ; Type = High Performance Indexable Boring Bars ; Use Insert = TPG-32 ;