CMI RESCUE 8 BLACK AL CMI is known for its product testing and continuous refinement of their designs. The results are a constant level of high quality. The Standard 8 and Rescue 8 are renown for their durability and strength. Hardcoated models resist rope wear extending working life. Figure 8: 13.5x7.5 cm, Wt: 117 g, Break Strength: 8000+ lbs.Rescue 8: 17x15.5 cm, Wt: 221 g, Break Strength: 10,000+ lbs.