Convertible pencil mechanism for Beaufort ballpoint pen kits

Mechanical pencil mechanism for converting Beaufort ballpoint pen kits into pencils. Will fit Headwind, Etesia, Sirocco, Aquilo, Tempest and Zephyr pen kits by Beaufort. 0.7 mm leads. 

Simply remove the Parker style ballpoint refill and spring from any of the above mentioned pen kits and insert the pencil mechanism in its place. You will not need the spring. To operate the pencil, twist (or click) the pen mechanisim as if you are extending a ballpoint refill, and that will advance the lead. Twist (or click) the mechansim again, as if you were retracting a ballpoint refill, and that will lock the lead in place. Leads can be refilled lled by pulling off the white button at the top of the insert and placing more leads inside.

Price per mechanism in Canadian dollars.