Hard-to-Find Fastener 014973210946 Flowerette Thumb Screw Knobs， 4-Piece<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Diameter: 5/16"</li><li>Material: Blue Plastic</li><li>Style: Flowerette Thumb Screw</li><li>Type: Knob</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BILzCGfeL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51PqW6i209L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41D%2Ba-1--zL.jpg" noproxy>