Heavy Duty Carabiner Clip Climbing Carabiner(25kn=5600lbs) from Rongsi, Hook with Screwgate Multipurpose for Climbing, Rigging, Ropes, Hammocks (O Shape, 2pack) - Walmart.com
Jumbo Carabiner – Rig'Em Right
Amazon.com : EZYA Carabiner Clips Heavy Duty 25KN/5600LB - 4.3" Large Caribiniers for Hammocks, Rigging, Gym, Yoga - Steel Caribeana : Sports & Outdoors