Standard Pack = 1 piece(s). Head Length = 1.25 IN ; Head Width = 0.5 IN ; Inscribe = 3/8 IN ; Metric Inscribe = 16 IN ; Minimum Bore Diameter = 0.64 IN ; Overall Length = 6 IN ; Right/Left Hand = Left ; Shank Size = 0.62 IN ; Type = Internal Threading Toolholder ;