Climbing Rescue Gear, 35KN Rappel Descender For Lifting 35KN Figure 8 Word Rope Descender Rappel Ring Rock Climbing Rescue Gear Product Features This ring is forged with high strength metal material, unbreakable and wearable, safe and reliable to use.Using the friction between the rope and the fall speed or the brake, can help you climb safely.35KN heavy duty, suitable for most people to use.Big holes is the main load-bearing, the small hole is the connector between rope and belt. for rappel system, also suitable for fire rescue, working aloft, etc. Technical Specifications MaterialAluminum AlloyColor OptionsBlue; Black; Gold; Grey; Red; OrangeMaximum Breaking Strength35KN 3500kgSuitable for Hole Diameter8-13mm / 0.3-0.5inchHole Diameter InsideApprox. Small-2.6cm / 1inch; Large-5cm / 2inchSizeApprox. 14.5x7.5x1.2cm / 5.7x2.9x0.5inchWeightApprox. 124g