Ideal when used in conjunction with Grade 70 chain, to obtain a mooring line with no weak point. Corrosion protected high resistance Grade 70 shackle : guarantees the best resistance of the chain-shackle assembly and also avoids any electrolytic problem. 8mm - Internal Diameter - 49 x 28 mm, Breaking Load - 7170kg 10mm - Internal Diameter - 60 x 35mm, Breaking Load - 11200kg Unique no sharp edge design fits perfectly into bow rollers and offers a very safe solution.Suitable for all mooring applications.Not suitable for lifting applications.