These uxcell spiral deck nails are seriously heavy-duty and perfect for any project requiring superior holding power! Made from 304 stainless steel, these nails won't rust or corrode, making them ideal for outdoor projects, marine environments, or any application where moisture resistance matters. The 100mm (3.94 inch) length with 4mm (0.16 inch) shank diameter provides substantial holding strength, while the 10mm (0.39 inch) head offers good surface coverage. The spiral shank design is what really sets these nails apart - the twisted construction creates incredible grip and resistance to pulling out, much better than smooth shank nails. This makes them perfect for deck building, outdoor furniture, structural projects, or any situation where you need maximum holding power. The 12-piece pack gives you enough for small to medium projects, or you can buy multiple packs for larger jobs. These nails are suitable for hanging or holding down charts, banners, calendars, and can be used on walls, floors, wood plates in houses, garages, factories, offices - basically anywhere you need reliable, strong fastening. The stainless steel construction means they'll maintain their strength and appearance over time without rust stains or deterioration. When hammering into wood floors or other surfaces, be careful not to use chemicals to clean the nail heads, and take your time to ensure proper placement. If you need nails that provide exceptional grip and durability for demanding applications, these spiral shank deck nails deliver professional-grade performance that standard nails just can't match. The quality is evident, and the spiral design really does make a noticeable difference in holding power.