5EB1 5EB1 info Bit width (E): 22.400mm Stem diameter (B): 4.800mm Bit length (D): 24.000mm Key length (A): 91.900mm Bit thickness (F): 2.300mm
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
KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm