The Nagaoka MP-100 phonograph cartridge offers musical clarity and expression beyond its price and competitors splendid upward start toward long term musical enjoyment. Half-inch system with conical diamond on lightweight aluminum cantilver. The Nagaoka MP-100 phone cartridge offers musical clarity and expression beyond its price and competitors – a plendid upwards start toward long term musical enjoyment Features -Superfine polished conical diamond bonded stylus -Powerfull samarium cobalt magnet -Lightweight aluminum alloy cantilever -Carbon fibre reinforced plastic shoe -Anti ferro magnetic permalloy shield casing Stylus replacement: Nagaoka JN-P100 The stylus replacement interval varies depending on the using conditions. But for general use at home, the reference time is between 150-200 hours in which the stylus begin to wear and the tone quality deteriorates. Recommend replacing the stylus as aerly as possible to enjoy clear tone for a long time and not to damge the disc grooves.