Spline Drive Key 6 Spline Dual Hex 19mm &amp; 21mm (20.5mm Dia.) for CECO Spline Chrome &amp; Colored Passenger Vehicle Installation Kits<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>6 Spline</li><li>19mm &amp; 21mm Hex</li><li>For Chrome CECO &amp; Colored Installation Kits</li><li>Passenger Vehicle Application</li><li>20.5mm Diameter</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41-FrnlIewL.jpg" noproxy>