Dimensions: 3.5'' x 2''; Construction: Copper; Additional Tools: Bottle Opener l Carabiner l Keyring l Nail File l Pry Bar l Small Screwdriver l Wrench; Other Info: Screws and hardware provided to custom fit the key retention to hold up to 14 keys. Other tools include: 1/4'' screw bit driver, (10mm, 1/8'', 3/16'', 1/4'', 5/16'', 3/8'') wrenches.