Package Content: 20pcs x Glass Standoff; Overall Size: 12 x 25mm/0.43" x 1"(D*L)
Thread Size: 8 x 15mm/0.3" x 0.6"(D*L); Fit for Glass Thickness: 0-8mm
Base Size: 20mm/0.8"; Base Hole Diameter: 5mm/0.2"
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.