Standard Pack = 1 piece(s). Cutter Height= .250 IN; Cutting Diameter= 1 IN; Insert Torx Key=T7; Insert Torx Screw=TS25456M1/M2; IC=.354 IN; Length(Neck& Head)=.244 IN; Number of Inserts=3; Overall Length=2.39 IN; Shank Diameter= .500 IN; Uses Insert Style=TDEX 0902; Model Number= D45X-100-TD09-050;