𝐍𝐨𝐧-𝐓𝐫𝐚𝐜𝐞 𝐍𝐚𝐢𝐥𝐬: These concrete wall hooks are made with high-strength steel nails, which can minimize the damage to the wall. Compared to ordinary picture hangers, these picture hooks leave only four very small pinholes after removal, which are almost imperceptible. They maximize the reduction of damage to the wall 𝐇𝐢𝐠𝐡-𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐌𝐚𝐭𝐞𝐫𝐢𝐚𝐥: The entire invisible nail hangers is made from premium ABS, and the nails are made from steel, making these wall hooks more robust and resistant to deformation. They can support a maximum weight of approximately 25 pounds 𝐄𝐚𝐬𝐲 𝐭𝐨 𝐈𝐧𝐬𝐭𝐚𝐥𝐥: The non-trace picture hanger installation process is very simple. Just place the hook on the desired position on the wall, and then gently hammer the 4 nails into the wall. There's no need to drill holes; the entire installation process only requires a hammer 𝐅𝐢𝐭𝐬 𝐟𝐨𝐫 𝐕𝐚𝐫𝐢𝐨𝐮𝐬 𝐖𝐚𝐥𝐥: These no drilling picture hooks are widely applicable to most wall surfaces, including plaster walls, gypsum walls, wallpapered walls, wooden walls, and concrete walls. They are an ideal choice for hanging pictures, photos, clocks, oil paintings, mirrors, clothes, bags, and more 𝐏𝐚𝐜𝐤𝐚𝐠𝐢𝐧𝐠 𝐈𝐧𝐜𝐥𝐮𝐝𝐞𝐬: You will receive 60 stucco hooks. Each hook measures 1.57"×0.66"×0.39" Product Name: Concrete wall hooks
Material: ABS&Steel
Size: 1.57×0.66×0.39 in
Color: White
Weight: Approximately 0.07-0.11 oz per
Maximum Load Weight: 25 lbs
Package List: 60 pcs Invisible nail hangers

Note:
1. Concrete walls are considered to have lower strength; nails can be driven in if there are no stones or rebar within the wall to obstruct them.
2. It is not recommended for use on brick walls or other walls with higher density to avoid wall damage or nail breakage.