Chain Block Safe Working Load - 0.5 Ton (500KG) Lift - 3 Metres Minimum Distance Between Hooks - 320MM Chain Falls - 1 Dacromet Coated Load Chain Diameter - 5MM Stainless Steel Hand Chain Length - 2.85 Metres Factor Of Safety - 4:1 Conforms To: BS EN 13157: 2004+A1: 2009 Corrosion Tested To ASTM B117 These Are Manufactured With A Chain Guide To Provide Smooth Chain Operation And Lightweight Steel Construction For Ease Of Use And Transport. The Safety Hooks Are Drop Forged And Heat Treated To Ensure Safety And Durability. These Particular Chain Blocks Are Dacromet Coated For Superior Anti Corrosion Properties Compared To Traditional Zinc Plating/Galvanising. All Of The Internal Components And The Outer Cover Are Coated. The Dacromet Coating On These Chain Blocks Undergo A 500 Hour Salt Spray Test To Ensure They Meet The ASTM B117 Standard Giving Them Excellent Corrosion Resistance. This Makes This Particular Chain Block Style Perfect For Offshore And Marine Applications. Supplied With