Excellent Low Carbon Steel Chain for General Purpose Applications Frequently Used for Fabricating Tow Chains, Binding and Logging Chains, Marine and Other General Applications Standard Finish: Self Colored or Galvanized Hallmarking: "C3" and "USA" on 5/16" and Larger Proof Tested Design Factor: 4 to 1 Packaged in Half Drums, Order Unit is "Feet" Made in the USA Do Not Use for Overhead Lifting DO NOT EXCEED THE WORKING LOAD LIMIT