Premium Quality: Heavy-duty steel locking carabiner. Galvanized process, durable and wear-resistant. You don't have to worry about rust. Industrial Quality. These high-performance carabiners have a tested breaking strength of 250 kg. Multipurpose - Dimensions (L x W x D): 80 x 40 x 8 mm. Carabiner suitable for outdoor mountaineering, rock climbing, outdoor work, hammocks, swings, etc. Use: The carabiner can be easily opened and closed with one hand. Quick opening and closing, easy to install. Convenient: The spring clasp is secure and comfortable. This carabiner is ideal for hanging cables, ropes, pipes, and other objects.