Uxcell a15041500ux0269 Stainless Steel Advertisement Screws Glass Standoff 12x23mm (Pack of 10) Net Weight: 108g; Product Name: Glass Standoff Dimension: 12 x 23mm / 0.47" x 0.91" (L*W); Color: Silver Tone Package Content: 10x Glass Standoff; Material: Stainless Steel Thread Diameter: 8mm / 0.3"; Hole Diameter: 5mm/0.2" Size: 12 x 23mm