Standard Pack = 1 piece(s). "Dmm" - Shank Diameter=20mm; "LS" - Shank Length=50mm; "OAL" - Overall Length=147mm; Product Program=Metric; Weight in Lbs=0.417; Tooltype=Holder; Package Len=7.6771695; Package Width=1.1023628; Package Height=1.1023628; ;