The Nexus Primary Fitness Ab Slings are an essential tool to deliver the ultimate abdominal workout. The slings can be connected to any bar or rack using the stainless steel, carabiner clips. The Nexus Ab Slings have a soft, padded centre to protect the user\'s arms whilst providing a heavy-duty stitched, nylon outer. Ab Slings are a great tool for a wide range of abdominal exercises: Hanging Straight-Leg Raises Hanging Side-leg raises Hanging Bent-Knee Crunches Hanging Bent-Knee Side Crunches Straight-Leg Windshield Wipers Features: Pair of Ab Slings with Stainless Steel, Carabiner Clips Brushed-Fabric, Padded Centres 100kg-Rated, Heavy-Duty Stitching & Canvas Outer Can be Attached to Any Bar or Rack Specification: Material: Nylon/Chrome Carabiners SPECIFICATION: Brand Primal Strength Usage Home Use, Commercial Use Condition Brand New Warranty 1-year home warranty and a 90-day commercial warranty.