Miniature Metal Cannon, 38mm L x 23mm W x 19mm H Size : 38mm L x 23mm W x 19mm H Metal Cannon - Miniature Metal Cannon. A great gift for any history enthusiast. Excellent for Tudor Key Ring, Medieval Key Ring, Knight Key Ring, Pewter Key Ring, Dark Ages Key Ring, SCA Key Ring Great for SCA Costume, Medieval Costume, Cavalier Costume, Renaissance Costume, SCA Musketeer Costume An accurate model of a cannon mounted on a wheeled chassis.