【Excellent Quality】Screwgate carabiners are made of high quality 304 stainless steel, rust-proof and corrosion-resistant, suitable for all kinds of bad weather. 【Lock Design】The internal thread of the stainless steel carabiner makes it easy to unscrew the hex nut with one hand to open or close the attachment carabiner. Compared with other carabiners, our screwgate carabiner prevents slipping or loosening. 【Multipurpose】Perfect climbing quick carabiner connector, used for chain, rope, cable connection, screw gate closure to increase safety. For your safety, please disable the screw lock. 【16 Safety Carabiners】Interface: 6.5 mm, inner width: 13 mm, thickness: 5 mm, outer length: 50 mm. Load capacity: 140 kg/300 lb. 【Wide Range of Applications】Locking carabiner very suitable for boating, sailing, fishing, hiking, cycling, camping, backpacking, humpback whale, padlocks, buckles, hooks, chains, key rings, accessories, utility tools, fixing tools and other gears. (M5 stainless steel