National Hardware's 7/16" x 3-1/4" Stainless Steel Interlocking Spring Snap allows quick attachments of all types of material and equipment. Manufactured from stainless steel for durability. Designed to install and remove quickly and repeatedly. For quick repeated attachments in a wide variety of applications. Coated with WeatherGuard Protection to withstand harsh weather conditions and prevent corrosion. Heavy Duty Rating with 800 lbs. Safe Working Load, always follow safe working load (SWL) limits included on packaging. National Hardware's Lifespan Limited Lifetime Warranty.