stylus

nouns

a sharp pointed device attached to the cartridge of a record player
stylus
is a part of
an electro-acoustic transducer that is the part of the arm of a record player that holds the needle and that is removable
cartridge, pickup
is a type of (narrower)
an instrumentality invented for a particular purpose
"the device is small enough to wear on your wrist"; "a device intended to conserve water"
device
a pointed tool for writing or drawing or engraving
"he drew the design on the stencil with a steel stylus"
style, stylus