KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
HPP1REX HPP1R info Material: Brass Original producer: HOPPE (DE) Key length (A): 43.700mm Use: Mail Boxes Bit thickness (F): 2.000mm Blade length (G): 19.400mm Blade width (H): 5.750mm