General description Heavy-duty carabiner made of 304 stainless steel, waterproof, rust-proof, sturdy, and durable. This 4-pack of snap hooks features an 8 mm thickness and is designed for quick connection and disconnection of ropes, chains, and straps. Technical specifications Material: 304 stainless steel Thickness: 8 mm Length: 80 mm Maximum working load: 200 kg Usage Ideal for backpacks, keychains, chains, ropes, camping, hiking, fishing, pets, indoor and outdoor gear, and DIY accessories.