Clambering Loop Run with 4" Walk RopeRope: 16mm Steel Core Netform Term: 15 32 in SS D Shackles Length: 15ft 6in Top rope has Clambering Loops approx. every 18in with 12in & 24in Drops Bottom Rope is a separate, single 4" Netform Rope with D shackles on both ends. This obstacle is now made with sturdy triangle loops, instead of plastic rings. They are more durable and easy to swap our if one breaks. Standard rope color is black. Custom ropes colors available for an additional $100.