Each standoff screw has 2 pieces rubber cushion to your signs, the whole set is very convenient for you to Material: the standoff nail is made of stainless steel, with sturdy construction, will not easy to break and deform, rustproof, scratch-proof and corrosion-resistant, which can serve you for long time Simple to install: install the plastic expansion tube into the wall and fix the standoff screw with screw, the contact surface between the screw and the product is by rubber pad; Warm note: screws require a screwdriver to assist the mounting of the standoff nails Standoff screws: the screws size is approx. 19 x 25 mm/ 3/4 x 1 inch in diameter x length, screw thread length is approx. 3/4 inch (19 mm), please check the size before purchasing Wide applications: our wall standoffs screws are suitable for house, hotel, company, office, supermarkets, store, shops, markets, bedroom, such as glass , acrylic , acrylic plate, acrylic frame indoor and outdoor advertising boards, photo and so on Colour: silver Material: stainless steel Package Contents: 25 x fixing screws 25 x screws 25 x wall anchors 50 x washers Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.