Common Sense Turn Button Double Height Two Screw Holes 91-XB-78323-2A Nickel Plated Brass 1000 pack offers a reliable and durable twist lock fastener solution designed for marine and awning applications. Made of nickel plated brass, this double height turn button features two screw holes for secure fabric-to-surface attachment, ideal for fastening marine canvas, boat covers, and upholstery hardware. The pack of 1000 provides ample supply for projects requiring strong and stable installation screws, ensuring materials stay fastened with ease and precision. This fastener is practical for enhancing outdoor living spaces with secure and long-lasting hardware.