High breaking strength - HR stainless steel 17.4 PH | 8 mm pin - internal dimensions 26x16 mm | Working load 1760 kg - Breaking strength 4100 kg | HR = Shackles forged in 17.4PH stainless steel, which has a very high breaking strength. The shackle deforms when overloaded. | Used as standard on large sailing boats and to a large extent also in the industrial sector
