Standard Pack = 1 piece(s). Right/Left Hand=Right; Type=On-Edge Threading Toolholder; Head Length=1.25 IN; Head Width=7/8 IN; Insert Screw=GTS2; Overall Length=4.5 IN; Shank Size=3/4 x 3/4 x 4-1/2; Maximum Bore=0.23 IN; Gage Line=0.875 IN; Shank Diameter=0.75 IN; Model Number=STVOR 12-4B;