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All structral parts made of high quality steel.Alloy steel hooks(35CrMo)Gear made of alloy steel(20CrMnTi) Strong nut.Hollow syructure increase strengthSafety latches made of casting strengthAll major components are strictly heat treatedLoad chain made by German machineMain Features:1. Safe to use and easy to maintain2. High efficiency with small handpull3. Light and portable4. Fine and small5. Durable
