DOT Durable Post 93-ZS-10413-1U 316 Stainless Steel 5/16 inch 100 pack delivers a heavy-duty snap fastener solution crafted from marine grade 316 stainless steel, designed to resist rust and corrosion in harsh environments. Measuring 5/16 inch in length, this reusable post set offers secure snap action and reliable holding strength, making it suitable for applications in marine hardware, upholstery, outdoor fabric, canvas, and industrial settings. Its self-piercing design ensures easy installation on thick materials, supporting long-lasting performance in patio awnings and other outdoor hardware uses. With superior corrosion resistance and rugged construction, this 100 pack meets the demands of both aesthetic and functional upgrades for outdoor living spaces.