• Locking carabiners feature a knurled safety lock preventing the gate from unintentionally opening. • Not a PPE device - will not support human weight. • Inspect for wear before every use. • For use only with KNIPEX Tool Tethering system. • Always check instructions for correct use and attachment. • For use with KNIPEX Tether tools with mounting point integrated into the handle. • Do not connect carabiner directly to tether attachment point.