Our Grade 80 chain is specially heat-treated, giving it a hardened exterior and rigidity, making it safe for overhead lifting, and features specially designed links that are case-hardened with a 4:1 design factor for use in our manual and electric chain hoists from .25T to 30T capacities. Load chain sizes range from 4mm to 10mm and are available in zinc-plated, stainless steel, Dacromet®, or black oxide finishes, depending on application requirements or hoist compatibility.