Load bearing-each alloy steel heavy duty watch clasp can hold up to 5510 pounds, more practical and reliable than aluminum alloy.One-handed operation-these tactical locks can be loosened, clamped, and tightened with one hand for smooth, easy-to-use support.Versatile-due to advanced weight clamp capabilities and improved durability, these carbines can be used for hammock belts, backpacks, camping, aerial tools protection, etc.Smart locking system-an easy-to-use tightening locking feature allows you to ensure that the coachman "door", so important items can not slide out or lose grip. Precautions NOTE: Don’t let the carabiner get touch with chemical and sand Wash the carabiner below 40 degrees water Don’t throw the carabiner from high place to the ground Put the carabiner in dry and ventilated place, don’t get close to heat source. Don’t use the carabiner more than 5 years. when the sluice gate can’t be open and close, the carabiner should be replaced sturdy and reliable 25KN, HOLD 5510LBS, HEAVY DUTY, STURDY & RELIABLE - Made from solid electrophoretic deposited iron, the carabiner hooks clips hammock locking carabiners are rust-proof and can hold around 550 pounds of force, which are strong and reliable DGRENA 25kN Carabiners 2 PCS 25KN Iron metal carabiners Materials: Solid electrophoretic deposited ironColor: Black Smart locking system-an easy-to-use tightening locking feature allows you to ensure that the coachman "door", so important items can not slide out or lose grip Bearing capacity Vertical tension 25KN.Horizontal pull 8KN.Unit size: 3.94" x 2.24" (100 x 57 mm)