Standard Pack = 1 piece(s). Cutter Height=.230 IN; Cutting Diameter=1.2500 IN; Insert Torx Key=T15; Insert Torx Screw=TS478M1; IC= 3/8 IN; Length(Neck& Head)=.750 IN; Number of Inserts=2; Overall Length=3.375 IN; Shank Diameter=.750 IN; Uses Insert Style=SDHW 090308; Model Number=C45-125-SD09-075;