Jinhao 619 dolma pen has an ef 0.38mm tip and a 3.4mm plunger. compatible with 3.4mm cartridges. as shown in the picture, a blue or black cartridge will be sent. more than 10 orders can be placed for this product. swordslife reserves the right to withdraw from orders over 10 pieces. more than 10 stocks for sale from the campaign price. it determines the selling price of the product you have reviewed. this product is not included in the discount campaign. a product may be sold by multiple sellers. the sellers of products offered by multiple sellers are sorted by price, seller points, delivery status, promotions in the products, whether the cargo is free, and the products are shipped with fast delivery, depending on the stock and categories of products. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.