uxcell Universal Oil Resistant Water Cooling Pump Mechanical Seal 30x52x10mm<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Product Name : Spring Water Seal;Material : Rubber</li><li>Outside Diameter(Approx.) : 52mm / 2.05";Inside Diameter (Approx.) : 30mm / 1.18"</li><li>Width(Approx.) : 10mm / 0.39";Color : Black</li><li>Net Weight : 9g</li><li>Package Content : 1 x Spring Water Seal</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41%2BlmzaStXL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41o1br6%2B46L.jpg" noproxy>