The DEWALT® single leg tool lanyard features an auto-locking, swiveling carabiner on one end and a loop on the Other end to tether tools and objects up to 80 lbs. (36.29 kg). The large carabiner is designed to easily connect to anchorage points such as rebar and guardrail. Once connected, it becomes a key component to a tethering system intended to prevent accidental drops that can lead to injuries and property damage.