Description Our Anderson Pens Exclusive Assorted Replacement J-Bar kit for pen repairs includes one each of J bars 40mm, 48mm, 54mm, and 62mm. This kit will encompass 90% of all pens you come across and are the most often used sizes. Sorry, no substitutions. Don't forget our Anderson Pens Hemostat for easy installation of these J Bars! We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.