Forged and double anodized for an extra durable finish. The BlueWater Rescue 8 is larger than a regular figure 8 and is designed specifically for rappelling and lowering heavy loads in rescue situations. The larger size allows for better control and heat dissipation. Designed for use with double 7/16" ropes and single or double 1/2" ropes and larger only. UL Classified to meet NFPA 1983/2012 Edition for Descenders Weight: 7.4 oz Height: 6.5" Width: 6" Breaking Strength: 22 kN