1.high quality nails 2.nails have different shapes 3.material:iron or steel 4.usd in constructions 5.it is very concrete

1.high quality common iron nails

2.nails have different shapes3.material:iron or steel4.usd in constructions5.the nail quality is very good6.it is very concrete.

7.In engineering, carpentry and construction, the nails that are pointed like the hard metal (usually steel), wood and other materials used as stationary. nails have different shapes, the most common nail is known as "iron nail"

comon nails