Product Name : 3/4" x 1 3/16" Sign Standoffs Material : Stainless Steel Hole Diameter : 5mm / 0.2" Thread Diameter : 9.5mm / 0.4" Package Content : 20 x Glass Standoffs Can make the advertisement bolt as your drawings and many size of advertisement bolt.They are easy to install.Also can be used in glass, as a Standoff Pin for flush mounted or surface mounted glass attachments. Product Name : Glass Standoff;Color : Silver Tone Material : Stainless Steel;Thread Diameter : 9.5mm/ 0.4" Hole Diameter : 5mm/ 0.2";Total Size : 19 x 30mm/ 0.75" x 1.2"(D*L) Weight : 435g Package Content : 20 x Glass Standoff