Lift-the-DOT back plate 90-BS-16506-2A is crafted from corrosion-resistant nickel-plated brass for reliable durability in marine and outdoor settings. This heavy duty fastener features a unique three-sided locking mechanism that secures fabric, leather, or solid substrates firmly, and opens by lifting the fourth side marked with a dot. Designed for easy installation with a compatible setting tool, each pack includes 1000 pieces with backing plates for added security. Ideal for boat covers, awnings, upholstery, and industrial applications requiring snap fastener strength and lasting performance.