This is One Piece 100% Authentic Ortofon Replacement Stylus for 540 MKII - Stylus Only (Stylus 540 MKII) and this is not used before, made by Ortofon from Denmark.
Frequency response - 20-27.000 Hz
Tracking ability at 315Hz at recommended tracking force *) - 90 µm
Compliance, dynamic, lateral - 30 µm/mN
Stylus type - Nude FG 70
Stylus tip radius - r/R 5/70 µm
*) Typical value
Tracking force range - 1.25-1.75 g (12.5-17.5 mN)
Tracking force, recommended - 1.5 g (1.5 mN)
Tracking angle - 20°
Stylus colour - Black
Recommended for Series 540 Mkll, 540, 540 P