Aluminum
Premium quality : These carabiners are made from AIRCRAFT GRADE 7075 Aluminum Alloy, which is super strong , durable and portable. 25KN screw gate carabiner is perfect for climbing
Light weight: It only weighs about 68 g. 4" in length and 2.4" in width. The gate opening is 0.7". The size is perfect for a carabiner to operate with just one hand.
D shaped design: D-shape carabiners hold the maximum strength more than other shapes at the same size.
Multiple application: These heavy duty carabiners can be used for hiking, mountain/rock climbing, rappelling, rescuing, camping, swing, dog leash etc.
