Easily Open All the Jar: Our Stainless Steel Jar Opener makes opening even the tightest lids effortless, whether they're factory-locked, vacuum sealed, or just stuck, or lids that won't open with other jar openers, whether they're metal or plastic. Upgraded Stainless Steel Jar Opener: Our Jar Opener made of all stainless steel, the stainless steel teeth are hardened, super wear-resistant and never rust. Stronger and more durable than plastic jar opener, simpler and longer life than electronic automatic can opener, no batteries, no worries about plastic arms breaking and electronic failures. Under Cabinet Mount: Our jar opener is mounted under your cabinet, so it's doesn't take up any counter space. It's always there when you need it, It's never lost, never in the way. Comes with 3 stainless steel screws, very easy to install.