Manufacturer part #:RL4.0 Technical Description Features American Metric Dyneema Ø 0.16 in 4 mm Ø hole 0.39 in 10 mm SWL 881.85 lbs 400 kg Material Aluminum + Dyneema Aluminum + Dyneema Ring Mod. R10.07 R10.07 D 2.76 in 70 mm