Calphalon Stainless Steel Pressure Cooker, 6-quart Easy-to-use cover has a unique locking rim that secures the cover to the base in any position  theres no need to thread or align the cover to get it on right  and it locks with just the touch of a button. Great for weeknight cooking because it can reduce cooking times by 50% or more, which means your pot roast, shorts ribs, rice or chili will be done in record time. Spring-loaded pressure indicator pin pops up when full pressure is reached so you can monitor cooking times. Pressure release dial allows you to select a high or low pressure setting for cooking, or safely release steam after youre finished. Cooks on all stovetops, including induction.