Warning: Undefined array key "HTTP_ACCEPT_LANGUAGE" in /home/custompen/public_html/modules/psrecaptcha/psrecaptcha.php on line 666 Cork Screws for transparant barrels
Made for pens with a similar transparant barrel to the picture. This type of barrel has a smaller thread size than other barrels. This type of screw has an outside diameter of 5.14mm
Made in black acetal they hold the cork seals in place