Features: ✔This heavy duty carabiner hooks are made from high strength 316 stainless steel material, pass 540lbs breaking strength tested. ✔316 stainless steel screw lock carabiner hooks suitable for outdoor mountaineering, rock climbing, outdoor work, hangs a hammock, hanging swing etc. Specifications: - Material: 316 Stainless Steel - Maximum Static Load: 540 lbs (Locking Completely Mode) - Recommended Working Load Limit: 500 lbs - Length: 80mm / 3.15inch - Width: 8mm / 0.3inch - Weight: 139g Package Include: 2 x Carabiner Clips