Koch 7541040 Roller Chain Connector Link， 4-Pack， #41<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Standard roller chain connector links meet ASME/ANSI B29.1 standards</li><li>Pitch: 1/2 inch</li><li>Selling unit: 4 pieces</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41x%2B3hzH-VL.jpg" noproxy>