KOPT Optimus Key info Bit width (E): 36.500mm Stem diameter (B): 8.000mm Bit length (D): 15.100mm Key length (A): 121.005mm
AH4R Straight folding key New COLOR-KEY long info Original key: Y Bit width (E): 22.900mm Stem diameter (B): 4.800mm Bit length (D): 24.150mm Key length (A): 125.200mm Bit thickness (F): 2.600mm
DB21 DB21 info Material: Steel Original producer: DOBLINA (DE) Key length (A): 44.850mm Blade length (G): 17.500mm Blade width (H): 6.600mm Cuts: 4 cuts