Campbell Grade 30 proof coil chain made of zinc plated low carbon steel for durability is used for fabricating tow chains, binding and tie down chains. 141’ Coil chain with 1/4" trade size features 10 links at every feet..Grade: 30.Links at unit length: 10 at 1 Feet.Chains length: 141 Feet.Proof tested.Chains trade size: 1/4-inch.Frequently used for fabricating tow chains, binding or tie down chains.Weight per package: 88 lbs..Campbell Proof Coil Chain is an excellent general-purpose chain, of standard commercial quality.