Standard Pack = 1 piece(s). Overall Length=4.5 IN; Dimension F=0.226 IN; Insert IC=1/4 IN; Insert Screw=TX25; Lead Angle=95degree ; Maximum Bore=41/20 IN; Minimum Bore=0.413 IN; Right/Left Hand=Left Hand; Shank Diameter=0.375 IN; Type=SCLC; Use Insert=CCMT 21.5_; Wrench=CT08;