Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Wire Material=Steel; Diameter=1/2 in; Wire Size=0.0050 in; Brush Length=1 in; Stem Diameter = 3/16 in; Overall Length=3 1/2 in; Stem Material=Stainless Steel; Applications=Cleaning, Deburring, Finishing; Filter Material=Steel; Used With=Flexible Shaft Tools, Power Drills;