Excellent material: strong high-strength iron D-ring, lightweight and easy to carry, not easy to corrode and rust. Applies to a wide range of applications ideal for indoor and outdoor use, typically used in trucks, kayaks, sling trainers, hammocks, awnings. Also ideal for indoor and outdoor spaces. Load capacity: a single one can carry up to 100 kg. Durable and very reliable. It has high strength, high rigidity and dimensional stability. Easy installation: Screws or bolts pass through the bolt holes of the mounting folder and are attached to the wooden or metal surface. Installation can be completed in a short time and requires virtually no mechanical expertise. Package includes: 20 D-ring tie-down straps. Note: The package does not contain nuts and bolts. Size: 36mm*25mm, hole: 4.5mm. Product Description 【Description】 1. The D ring anchor is well designed and easy to install, it can prevent high quality black protective coating and effectively prevent corrosion and rust. 2. High performance, high strength anchor bolts for securing heavy objects 3. Widely used trucks, vans, kayaks, campers, trucks, boats and trailers. 【Specification】 Material: stainless steel black color Steel ring size: 25x 11x 3mm Bracket size: 22x 16x 2mm Hole diameter: 4.5mm 【Package includes】 20 x D ring tie down eyelet 【Note 】1.For manual measurement, please allow 1-2cm error. 2.Color may vary slightly due to lights, screens, etc.