Which screw carabiner is the best one?

Today we would like to show you how to choose the best screw carabiner .

D Shape large Carabiner: Classic D shape carries the majority of the load toward the spine,the carabiner's strongest axis. Keylock nose guards against snagging. D shape is particularly suited for connection to equipment such as a belay system,a pulley, descenders or the end of a lanyard.It is efficient in a variety of situations and provides good handling and grip,even when wearing gloves.

Carabiner clip heavy duty: Major axis: 25KN (5500lbs), Minor axis: 8kN, Open gate: 7kN, CE/UIAA certified.(Tips:The rating on the carabiner is a result based on the lab test,which might vary in practice.)

Screwgate Carabiner: Easy-to-open system,you can easily lock it by turning the screw, then turn it in the opposite direction and turn it on again to unlock it.