uxcell 8pcs 6mm Hole Dia Metal Lamp Dimmer Rotary Switch Knob Control Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Product Name: Switch Knob; Country of Manufacture: CHINA</li><li>Material: Plastic， Metal; Net Weight: 24g</li><li>Package Content: 8 x Switch Knob; Main Color: Black</li><li>Shaft Hole Diameter: 6mm/0.24"</li><li>Overall Size: 17 x 17mm/0.7" x 0.7"(H*D)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41a3-vGlvrL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/414Ld9yWKBL.jpg" noproxy>