Standard Pack = 1 piece(s). Center Type = Half Center ; Shank Type = Brown & Sharpe Taper ; Shank Taper Size = B&S 9 ; Point Style = Standard Point ; Head Diameter = 1.078 inch ; Tip Diameter = 1/2 inch ; Taper Length = 4 1/4 inch ; Overall Length = 6 1/2 inch ; Knockout Diameter = 0.09 inch ; Point to Gauge Line = 2 1/4 inch ; Cutout Length = 2 inch ;