This is a manganese bronze HARP shackle. It has a Pin Diameter of 6mm, a shackle diameter of 6mm and an approximate breaking strain rating of 800kg....
This is a manganese bronze Dee shackle. It has a Pin Diameter of 6mm, a shackle diameter of 6mm and an approximate breaking strain rating of 1000kg....
This is a manganese bronze HARP shackle. It has a Pin Diameter of 5mm, a shackle diameter of 5mm and an approximate breaking strain rating of 400kg....