Kmise Z2792H8 8 Piece Aluminum Insert Type Buttons 10x12mm Hole 18T Silver<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Made by :outside: Aluminum Alloy   inside: hard plastic^Fit to 6 mm potentiometer shaft# compatible for almost all potentiometers^Color : silver </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41QqaUGpf9L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41oG06%2BnRgL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41DtIm9wsjL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Js5GnnZJL.jpg" noproxy>