Regular Length (C73-505-10) Rivet spacing is 1-3/8 in. Center to CenterRequires 1/8 in. dia. Rivet1 in. Rivet Hole Height1/16 in. Thick Lightweight (C73-508-10) Rivet spacing is 1-3/8 in. Center to CenterRequires 1/8 in. dia. Rivet1 in. Rivet Hole Height1/16 in. Thick Long Length (C73-510-10) Rivet Spacing is 1-3/8 in. Center to CenterRequires 1/8 in. dia. Rivet2-1/2 in. Rivet Hole Height1/16 in. Thick Self-Eject (C73-500-10) Rivet Spacing is 1 in. Center to CenterRequires 1/8 in. dia. Rivet1-9/16 in. Rivet Hole Height1/16 in. Thick All Quarter Turn tab options are packaged in quantities of 10 Dzus Type Plates for Quarter Turn Buttons This selection of Quarter Turn Dzus type accessories are commonly used with the standard Domed head or Flat head quarter turn buttons. These Tabs are Mild Steel construction and can be welded to either Mild Steel or Chromoly when using the correct welding filler rod. The Right Tools for the Job Click the image to see our large selection of fastener tools.