Panasonic BH752A Compact Automatic Electric Letter Opener, Gray Enclosed safety blades operate only when in direct contact with envelope. Insert envelope into guide and its automatically fed through the cutters. Rubber suction feet. Enclosed safety blades operate only when in direct contact with envelope. Insert envelope into guide and its automatically fed through the cutters. Rubber suction feet. AC operation. Enclosed safety blades operate only when in direct contact with envelope. Insert envelope into guide and it's automatically fed through the cutters. Rubber suction feet. AC operation. Gray Color Electric Letter Opener