The Karst stone pen is a Swiss-made writing instrument crafted with 60% calcium carbonate \u2013 the same core material as Karst paper \u2013 giving it a premium weight and perfectly balanced feel, around 50% heavier than standard plastic pens. Its Floating Ball\u00ae ink system delivers a smooth, bold line with up to 200% richer ink density and ultra-fast drying in just 1\u20133 seconds on stone paper, ensuring a clean, smudge-free writing experience. Designed with a hexagonal body, matte finish, and integrated steel clip, it offers comfort and control for everyday writing, sketching, or note-taking. Free from phthalates and harmful substances, the pen writes up to 5,000 meters and is built as the perfect finishing piece of the Karst writing system.<\/p>\n","protected":false},"excerpt":{"rendered":"
The Karst stone pen is a Swiss-made writing instrument crafted with 60% calcium carbonate \u2013 the same core material as Karst paper \u2013 giving it a premium weight and perfectly balanced feel, around 50% heavier than standard plastic pens. Its Floating Ball\u00ae ink system delivers a smooth, bold line with up to 200% richer ink density and ultra-fast drying in just 1\u20133 seconds on stone paper, ensuring a clean, smudge-free writing experience. Designed with a hexagonal body, matte finish, and integrated steel clip, it offers comfort and control for everyday writing, sketching, or note-taking. Free from phthalates and harmful substances, the pen writes up to 5,000 meters and is built as the perfect finishing piece of the Karst writing system.<\/p>\n","protected":false},"featured_media":0,"comment_status":"closed","ping_status":"open","template":"","meta":[],"product_brand":[],"product_cat":[1950,1939],"product_tag":[],"class_list":["post-420786","product","type-product","status-publish","product_cat-other-pens-writing-accessories","product_cat-pens","pa_base-color-black","pa_base-color-blue","pa_brand-karst","pa_gender-none","pa_ink-color-black","first","outofstock","taxable","shipping-taxable","product-type-variable"],"_links":{"self":[{"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/product\/420786","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/comments?post=420786"}],"wp:attachment":[{"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/media?parent=420786"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/product_brand?post=420786"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/product_cat?post=420786"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.propromo.ee\/et\/wp-json\/wp\/v2\/product_tag?post=420786"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}