Enhance the performance of your Wempe Marine barograph with this advanced replacement pen, also known as a phaser scriber. Specially designed for model CW810002, this pen ensures maximum accuracy in your atmospheric measurements and brings your weather recording back to the desired level. An indispensable accessory for the precision and detail enthusiast who doesn't want to miss a single air pressure change. Although the Wempe Marine barograph itself is no longer available, we offer this nostalgic addition for those who want to keep maritime heritage alive. Order today and experience the difference this pen makes.