JR Products 541-B-2-A Polar White Deluxe Round Electric Cable Hatch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cutout Dim: 3-1/2"</li><li>Outside Dim: 5-1/8"</li><li>Collar Depth: 2-3/8"</li><li>Replaces any round hatch up to 4-1/2"</li><li>Strongest hinge on the market</li></ul></div><img src="http://ecx.images-amazon.com/images/I/3156B4ILdaL.jpg" noproxy>