Package contents: you will receive 4 sets of , including 8 pieces stainless steel hangers, 16 pieces of short 4 x 0.79 inch screws, 16 pieces of 4 x 1.96 inch long screws, 32 pieces expansion tubes, sufficient to your different needs; perfect for photo frames, not suitable for many furniture, please confirm purchaseHow to install: designed with countersunk holes and symmetrical screw holes can make the installation quicker and easier with no scratching your hands, you just need to use the long screw to fix one clip with the protrusion faced up, then use the short screw to fix the other clip to the furniture with the protrusion faced down, finally install interlockingly, no too difficult and easy to installSturdy material: the hangers are made of stainless steel material, which is sturdy and anti-rust, durable and long-lasting, features exquisite workmanship and will you for you long time, you can feel relieved to use itWide range of uses: furniture embedded mounting brackets can be applied for objects, to fix small furniture such as photo frames, artworks, clocks, , exhibition paintings, posters, etc., not suitable for furniture such as shelves, please confirm the use buyingColor: silverSpecifications:Z clip:Material: stainless steelDimension: 54 x 30 mm/ 2.12 x 1.18 inchHole diameter: 4.5 mm/ 0.177 inchShort screw:Material: steelDiameter: 4 mm/ 0.16 inchLength: 20 mm /0.79 inchLong screw:Material: steelDiameter: 4 mm/ 0.16 inchLength: 50 mm/ 1.96 inchPackage Contents:8 x Z clips ()16 x Short screws16 x Long screws32 x plastic expansion tubesOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.