Hamilton Beach 76800 Cordless Jar Opener-Effortless push-button opening-Simply place the jar opener on top of the jar and press the engage button-Compact for easy storage in a drawer or cabinet-Opens a wide variety of jar sizes-no jar is too tall-Durable and built to last Need more information on this product? Click here to ask. Dimensions: 5″ x 3.2″ x 7.8″.