Durability: Our twist lock fasteners are made from quality metal, providing durability and resistance to harsh marine environments. The included mounting screws are made from stainless steel, ensuring long-lasting strength and rust resistance. Complete Package: Includes 20 sets of marine-grade twist lock fasteners. All necessary tools are provided for secure installation, ensuring your canvas remains firmly in place. Secure Lock: Designed to provide a tight and secure fit, these canvas twist lock fasteners prevent accidental loosening and help protect your marine canvas snaps and fasteners. Easy Installation: These turn button twist lock fasteners come with stainless steel screws and washers for simple and efficient setup. Ideal for canvas, tarp, and curtain applications. Wide Application: Suitable for canvas eyelets, tarp grommets, and other grommet-based fastening needs. Their versatility makes them a practical addition to any toolkit. Color: Silver Material: Metal Package Contents: 20 x Twist Lock Fasteners Note: Light reflection and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.