5/8" x 17/32", 0.109 to 0.14" Thk Panel, 1/4"-20 UNC-2B, Clear Passivated, Stainless Steel, Type 2D, Panel Screw Retainer Panel Screw Retainer Item Panel Screw Retainer Overall Dimension 5/8 in Diameter x 17/32 in Length Panel Thickness 0.109 to 0.14 ...