Hard-to-Find Fastener 014973192136 Nylon Insert Lock Nuts， 3/8-Inch， 20-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 3/8"</li><li>Material: Stainless Steel</li><li>Driver Type: 9/16 Wrench</li><li>Thread Type: 16 (Coarse)</li><li>Style: Waxed Nylon Insert</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51sNsGyeYgL.jpg" noproxy>