Features: Discover the strength and versatility of our durable D shaped fastener set for trucks, trailers, and more. Crafted from high quality carbon steel, our fasteners offer long lasting reliability and performances. Designed for outdoor enthusiasts, campers, and hikers, our versatile fastener set securely holds gear during adventures. From camping trips to hiking excursions, our fastener set ensures stability and safety for all your outdoor activities. Upgrade your equipment with our reliable and portable fastener set, providing a strong hold for various items. Specifications: Material:Carbon Steel Size:As Picture Shown Color:Black Quantity:4pcs/6pcs Triangle buckle size: line thickness: about.7mm Inner diameter: about.48.8mm Internal height: about.39mm Maximumpulling force: about 1000kg-1500kg Package Includes: 1 Set Lashing Rings note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.