Baumgartens 3" Carabiner Key Ring - This 3" carabiner key chain attaches to your bag or briefcase. Spring-hinge allows easy release of the clip and quick access to keys. Easy spring-hinge opening closes tight after you clip it. Each aluminum key chain meets or exceeds standard for RoHS compliance for lead, mercury, bromine, chrome and cadmium. Carabiner key chain mimics the look of the climber clip but should not be used in climbing.