Mazzer Kony 1 Phase Conical Grinding Burrs Product Description: Not OEM - compatible product external ø 63/40 mm - internal ø 40/12 mm thickness 23 mm - 3 fixing holes external ø 63/40 mm - internal ø 40/12 mm thickness 23 mm - 3 fixing holes internal groove for key Made in Italy 606g Mazzer original code: FMA00191C LF\ REPA code 1251179 Will fit to: KONY, KONY-S-AUTOMATIC (202003-), KONY-S-ELETTRONICO (202003-) KONY, KONY ELETTRONICO Please note: Always use original SCREWS. If you do not, a tiny difference in shape or thread could have repercussions on the correct positioning and as a consequence on the accurate functioning of your coffee grinder. In extreme cases, a decentralization of burr can occur, causing the false impression that the holes are not perfectly lined up.