Item #70553 - DP The deck plates in 1/25 Scale are 28 mm wide X 18 mm (Small Deck Plates), 28 mm wide X28 mm (Medium Deck Plates) and 28 mm wide X37.50 (Large Deck Plates) 1/24 scale are 30 mm wide X19  mm (Small Deck Plates) 30 mm wide X29 (Medium Deck Plates) and 30 mm wide X39 (Large Deck Plates). In the 1/16 scale the small deck plates are 28.50 mm long the Medium  deck plates are 44.50 mm long and the Large deck plates are 59.53 mm long.    All measurements are +/- 0.50mm approximately.