Auto Meter 9114 LED Lighting Dimmer<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Includes 4ft. Wiring harness.</li><li>0.250 in. Control Shaft， knob not included.</li><li>Black Composite Case: Dimensions - 2.380 in. x 1.250 in. x 0.750 in. (1.375 in. from bottom of case to tip of control shaft)</li><li>Utilizes two mounting holes (0.187 in.) located 2 in. on center.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41C8aidHuXL.jpg" noproxy>