Diameter x Length: 1" x 4" (25mmx100mm), elevates signage 3-4/5” off the wall. Thread Diameter: 10mm(2/5"). Fits for the diameter of sign hole: 10mm-25mm, and the thickness of sign board no more than 1/2". Made of stainless steel with brushed finish, rustproof, scratch-proof and corrosion-resistant. Suitable for company, office, store, supermarket, shops, art exhibition, home, advertising sign and billboard. Come with 8pcs sign standoffs, 16pcs rubber spacers, 8pcs screws and 8pcs wall anchors. Rubber spacer for protecting your glass and acrylic boards. Featured with bright metallic look, Osring standoffs adds modern and concise style to elevate your beautiful signs and glass. Standoff makes your life elegant! You don’t need to get any frame with these sign standoffs, saving time and saving money. Easy to install on wall by 1” screw provided, widely used for holding signs, glass boards, artwork boards and pictures. Cylinder shape helps your picture display with graceful stereo effect! Smooth surface adds bright and sleek look to your beautiful room! Easy to install by screw, elevating signage 3.8” off the wall. The diameter of sign holes is suitable from 2/5” to 1”, and the thickness of sign board no more than 1/2". Installation Steps: 1.Drill holes on sign, and make sure the hole size is accurate. 2.Mark the holes of your sign on the wall, make sure the sign will install on the right place. 3.Drive the anchor screw to the wall. 4.Install the barrel on the wall. 5.Put the sign or glass on and thread the stud to the barrel.