6SPSR 6SPSR info Bit width (E): 35.650mm Stem diameter (B): 5.500mm Bit length (D): 25.300mm Key length (A): 137.050mm Hole diameter (C): 3.500mm Bit thickness (F): 2.500mm
SPEPOD Special Patent info Material: Steel Stem diameter (B): 6.000mm Bit length (D): 15.500mm Key length (A): 76.650mm
MER44R MER44R info Material: Brass Original producer: MERONI (IT) Key length (A): 49.95mm Blade length (G): 15.45mm Blade width (H): 6.650mm