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