uxcell Stainless Steel Standoff Pins Screw Glass Picture Poster Frame Hanger 8mm x 55mm 12pcs Net Weight: 230g; Product Name: Glass Standoff Dimension: 8 x 55mm / 0.3" x 2.2"(D*H); Color: Silver Tone Package Content: 12 x Glass Standoff; Material: Stainless Steel Screw Thread Size: 5 x 12mm / 0.2" x 0.5"(D*L) Can make the advertisement bolt as your drawings and many size of advertisement bolt.