Type K - with threaded bush.
DIN6336 Star Knob, Plastic with Brass Insert.
Star knobs are used for a wide range of applications, including clamping and machine adjustment. The lobes of these star or hand knobs provide a firm grip to easily achieve high torques whilst being comfortable to use. Easy clean plastic, with a threaded brass bush to prevent breakage.
Plastic KU Duroplast (PF), black, shiny.
Bush - Brass MS.