The particular D shape prevents the rotation of the carabiner and allows to distribute the load along the major axis.
Shape Oval
Weight 205g
Equipped with Keylock system that prevents any snagging on the rope and in the bolts.
Description
Oval carabiner carbon steel, wide-opening and screw sleeve. High load of 40 KN. Ideal for heavy duty applications and for connection to structural anchors, lifelines, etc.