Sign Standoff Screws Advertising Screws Stainless Steel Wall Standoff Mounts Glass Acrylic Nail, 8 Pieces (1 x 1 5 8 Inch) 1 x 1 5 8 Inch sold2026 OTHER SPECS: Our scanner has B00IIC6ALK OTHER SPECS: Our scanner has a built in rechargeable Li ion battery and is CMOS illuminant with a decoding speed of 25cm per second and a resolution of > 4mil 0 it's very easy to operate and start using on your ipadsSlim and Elegant aluminum body stylus pencil for 8th generation ipad 10 Read more Detailed Steps for Use Use electric drill to punch holes in the wall (the size of the drill bit can be determined according to the size of the expansion tube) Hammer the expansion tube into the wall with a hammer Unscrew the base and screws of the advertising nail Read more Detailed Steps for Use（Continued） Pass through the base with a screwdriver (from the direction of the large mouth to the small hole inside the base screw) tighten Screw rod through the billboard sign each standoff screw has 2 pieces rubber cushion to protects your signs