Product Size-- 1015g, 40.5*5*2.5cm. Contains mounting bracket accessories, 18 screws. To increase load capacity, you can increase the number of supports between spans. Maximum load 80kg. Easy to Install-- The shelf bracket is easy to install, they can be installed on any type of wall. You just need to make sure the folding brackets are parallel to each other and perpendicular to the wall. Sturdy and durableFolding shelf brackets are made of high quality polished 304 stainless steel and are brushed on the surface to prevent scratches,corrosion and tarnishing.It will not harm human health.Triangular shape is the most stable construction in wall brackets. Widely UsedThese folding brackets are perfect for many DIY jobs around the house.Stands suitable for stores,workshops,boats,RVs,yards,trailers,bedrooms,kitchens,balconies,bathrooms etc. Space Saving-- The folding stand does not require only one mounting surface and takes up very little space. Folding it up when not in use saves most space.