sturdy construction, not easy to break and deform, rustproof, scratch-proof and -, which can you for long time Simple to install: install the plastic expansion tube into the wall and fix the standoff screw with screw, the contact between the screw and the product is protected by rubber pad; Wide applications: our wall standoffs screws are suitable for house, hotel, company, office, supermarkets, store, shops, markets, bedroom, such as glass sign, acrylic sign, acrylic plate, acrylic picture frame indoor and outdoor advertising boards, photo and so on colour:Silver Material:stainless steel size:25*12mm Package Contents: 50 * Sign holders standoff screws Warm note: screws require a screwdriver to assist the mounting of the standoff nails. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.