Metal Lugz Spiked Lugz Black 9/16" thread 4.4" overall length kit contains 20 Lugs & 1 Key Unique 1-piece construction is safe and reliable, unlike two piece designs Made from the highest quality automotive grade carbon steel Each lug is 4.4" overall length, which is the perfect size to accentuate your wheels Each Spiked lug is specially treated with rust inhibitors to prolong the finish of your Metal Lugz Special socket key, included with every set of Metal Lugz, creates an additional layer of security and keeps the lugs where they belongon your rig!