<p>Machine Key, Oversized, Rounded End Type, Steel, Plain Finish, 2 1/2 In Length, 1/2 In Square, +0.002 In Thickness Tolerance, -0.030 In Length Tolerance, Tensile Strength 64,000 PSI, Rockwell Hardness B85, Holds Pulleys and Gears on Transmission Shafts, Package 5</p> <p><br /><b>Features</b></p> <ul> <li>Application: Holds Pulleys and Gears on Transmission Shafts</li> <li>Finish: Plain</li> <li>Item: Machine Key</li> <li>Length: 2-1/2&quot;</li> <li>Material: steel</li> <li>Tensile Strength (PSI): 64,000 psi</li> <li>Type: Oversized</li> <li>End Type: Round</li> <li>Square: 1/2&quot;</li> <li>Rockwell Hardness: B85</li> <li>Length Tolerance: -0.030&quot;</li> <li>Thickness Tolerance: +0.002&quot;</li> </ul> <p></p>