Liberty Mountain Gold Series carabiners feature Keylock gates for snag free operation. Twist Lock (TL) and Triple Lock (3AL) gates meet ANSI Z359 strength standards of 16kN for safety. (Note: Screw Gate carabiners are not included in ANSI standards). Yellow zinc plated for corrosion resistance and long life. The large size features a wide gate opening of 25mm (.98 in) to allow a wide range of anchoring points and easy use even with gloves on.