Standard Twist Knot Wire Wheel, 4 in dia x 1 2 in W Face, 0.014 in Steel Wire, 20000 RPM ORS NASCO For sweeping heavy For sweeping heavy Durable cap with pocket clip for convenient storage Fast drying Heavy duty plastic barrel features ergonomic design for extended use Ink formulated for industrial strength usage Versatile tapered chisel tip makes 1 16" and 3 16" marks Roughening Arbor Diam [Nom] 5 8 in 11 UNC Big Catalog YES Brand Weiler Bristle Diam 0 of Knots 24 Prop 65 YES Quarterly Flier NO Special Order NO Speed [Max] 20000 rpm Stock Status In Stock Trim Length [Nom] 7 8 in Type Knot UNSPSC 27111907 Used With Straight Grinders