Standard Pack = 1 piece(s). "Dmm" - Shank Diameter=12mm; "LF" - Flute Length=20mm; "OAL" - Overall Length=39.7 mm; Product Program=Both; Weight in Lbs=0.064; Tooltype=Holder; Package Len=3.0708678; Package Width=1.4960638; Package Height=1.4960638; ;