Spark Duty™ 400P 400CS Hi Vis C Clamp, Sliding Pin, 4 1 8 in Throat Depth, Gray, 0 in to 6 1 16 in Opening ORS NASCO Steel Applications Cutting Arbor Diam Steel Applications Cutting Arbor Diam [Nom] 7 8 in Big Catalog NO Body Material Fiberglass Bond Resin Brand Weiler Catalog MPI Catalog Color Black Construction Catalog NO Country of Origin SI Dia Allows for more aggressive brushing action and flats Acme rolled spindle threads provide continuous smooth operation for faster clamping action and maximum strength Spindles and Perma Pads® are copper plated to provide resistance to welding spatter and corrosion Ideal for industrial welders and steel fabrication Manufactured with drop forged steel for greater strength in standard applications V grooved anvil feature allows secure holding of all materials including rounds