<p>Key Stock, Undersized, High Carbon Steel, Plain Finish, Length 12 In, 3/4 x 3/4 In, -0.002 In Thickness Tolerance, -0.125 In Length Tolerance, Tensile Strength 140,000 PSI, Rockwell Hardness BHN 194, Magnetic, Make Your Own Key</p> <p><br /><b>Features</b></p> <ul> <li>Application: Make Your Own Key</li> <li>Features: Magnetic</li> <li>Finish: Plain</li> <li>Item: Key Stock</li> <li>Length: 12&quot;</li> <li>Material: High Carbon steel</li> <li>Size: 3/4 x 3/4&quot;</li> <li>Tensile Strength (PSI): 140,000</li> <li>Rockwell Hardness: BHN 194</li> <li>Length Tolerance: -0.125&quot;</li> <li>Thickness Tolerance: -0.002&quot;</li> </ul> <p></p>