uxcell 5 Pcs 12mm x 100mm Wall Mount Stainless Steel Standoff Nail Hardware Glass Picture Frame Hanger Package Content : 5 x Glass Standoff Total Size : 100 x 12mm/ 3.9" x 0.47" (L*D) Hole Diameter : 5mm/ 0.197" Thread Size : 8 x 12mm/ 0.31" x 0.47" (D*L) Advertisement Nails Screws Glass Standoff PinsCan make the advertisement bolt as your drawings and many size of advertisement bolt