B00YTHIIS6<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Spring loaded retractable louver pin.</li><li>Pin body requires standard 1/4 diameter hole in shutter frame.</li><li>Pin nib requires 5/32" diameter hole in louver</li><li>Plastic pin utilezes internal spring mechanism.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21d8nPrp7QL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/21jEaOD7SQL.jpg" noproxy>