High breaking strength - HR stainless steel 17.4 PH| 12 mm pin - internal dimensions 39x24 mm| Working load 3600 kg - Breaking strength 10000 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
