[GOOD QUALITY] *Made of 60# steel, heat treated for Strong toughness, high hardness, and strong penetration. *The gear ring and plastic positioning clamp ring tightly fix the nail body in the barrel of the nail gun to avoid sidetracking during firing. *Even galvanised coating for a smooth surface while ensuring protection against corrosion and rust.
[SUFFICIENT QUANTITY] 10pcs concrete nails/row, 100 rows/box, total 1,000pcs/box.