Pricing mentioned is for EA. Requires a minimum buy of 1 piece. EZ LOCK MANDREL; Hazmat=False; Features=One-piece mandrel design eliminates the need for screw;The Dremel EZ Lock makes accessory changes easy as PULL - TWIST - RELEASE; StandardPack=1EA; CountryOfOrigin=CN; Height=3/4 in; Length=4.150 in; Width=4.100 in;