Lisle 13200 Universal Oil Pressure Sending Unit Socket<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>For late-80s through mid-90s GM vehicles with oil pressure sending units (for vehicles equipped with gauges).</li><li>One socket with the correct length to fit most 1" and 1 1/16" oil pressure switches (for vehicles equipped with warning lights).</li><li>1-7/8" Overall height for clearance</li><li>Use with 3/8" drive or 1 1/8" hex</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31t6NfeQSCL.jpg" noproxy>