The Spike OG KettleThe best brew kettle on the marketand we really stand by that statement. Made with the thickest material and U. S. welded fittings, this kettle is a solid piece of steel sold at a factory direct price. Whatever your use is, this kettle will hold up. Kettle Features: 2. 5 6 gallon batch size 304 (18 8) stainless steel Sanitary welded coupler design (done at our facility in Milwaukee, WI) 1. 2mm thick walls (thickest on the market) 5mm tri clad bottom