Common Sense Turn Button Double Prong 91-XB-78332-2A is a nickel-plated brass fastener designed for reliable and secure hold in outdoor and marine environments. Featuring a double prong with a two-prong base and a spring mechanism, this positive-locking, clinch-type turn button fastener operates by hand-turn to ensure it stays firmly closed without accidental opening. Ideal for use with awnings, marine canvas, watercraft covers, tents, upholstery, luggage, and equipment bags, this pack of 1000 combines rust-resistant durability and ease of installation with a sleek nickel finish, making it a practical choice for upgrading patio décor and outdoor fabric fixtures.