The Grip-Rite PrimeGuard MAX MAXN62358 is a premium, high-performance hand-drive common nail engineered for projects demanding elite craftsmanship and absolute immunity to harsh environmental elements. Formed entirely from industrial-grade Type 304 Stainless Steel, this 4d (4-penny) fastener delivers maximum corrosion protection. It is the definitive choice for seaside construction, high-humidity climates, docks, fencing, and direct exposure to modern pressure-treated lumbers without the threat of staining or bleeding dark rust streaks down your wood cladding.