Stringer Bead Wheel Brush, 4 in D x 4 in W, 0.02 Carbon Steel Wire, Clamshell PkVery narrow face design primarily for weld cleaning and to access hard to reach areas. Specifications Anchor Brand Catalog YES Arbor Diam [Nom] 5 8 in 11 Arbor Thread TPI or Pitch 5 8 in 11 Big Catalog YES Brand ANCHOR BRAND Bristle Diam 0. 02 in Bristle Material Carbon Steel Catalog MPI Catalog Construction Catalog NO Country of Origin US Dia. [Nom] 4 in Face Width 4 in Hazmat NO Jan San Catalog NO No. of Knots 30 Packing Type Clamshell Prop 65 YES