ST2 STUV-2L info Stem diameter (B): 6.400mm Bit length (D): 16.200mm Key length (A): 90.500mm Hole diameter (C): 3.500mm Bit thickness (F): 2.900mm
POL3 Polaszek long info Bit width (E): 20.100mm Stem diameter (B): 5.900mm Key length (A): 89.800mm Hole diameter (C): 3.300mm Bit thickness (F): 3.050mm