Spike Brewing V4 30 Gallon Kettle - Two Vertical Couplers Spike Brewing has received your feedback and re-invented their kettles, continuing to revolutionized the world of brewing with their top-of-the-line brew kettles. Made from the best 304 stainless steel, NSF certified, this kettle features a 1.2 mm thick wall, making it the thickest kettle on the market. Spike went all the way to provide the best product possible, so they welded the fittings that are included; that means no more leaky, low-quality weldless fittings! They have also re-positioned the handles to front and back, removed the rivets and rolled the lip to help eliminate spots for bacteria to hide. For all of you induction brewers, we have some good news for you! This kettle comes induction-ready, with a 5 mm tri-clad bottom. Internal volume markings make sure that this bad boy is brewing the precise amount of wort that your recipe calls for; no more guess-and-check.