{"product_id":"uni-jetstream-4-1-multi-pen-0-38mm-ballpoint-0-5mm-pencil","title":"Uni Jetstream 4+1 Multi Pen 0.38mm","description":"\u003cp\u003eThe \u003cstrong\u003eUni Jetstream 4+1 Multi Pen 0.38mm\u003c\/strong\u003e (MSXE5-1000-38) is meticulously engineered for writers who demand extreme precision and micro-fine detail. Housing four 0.38mm ultra-micro hybrid oil ballpoint components (Black, Blue, Green, Red) alongside an integrated 0.5mm mechanical pencil and concealed eraser, it delivers needle-sharp, smudge-free lines tailored for micro-grid planners and compact margin notes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Micro 0.38mm Ballpoint Tips:\u003c\/strong\u003e Produces surgical, razor-thin lines with zero scratchiness or skipping, perfect for Hobonichi planners, calendars, and accounting sheets.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive 5-in-1 Versatility:\u003c\/strong\u003e Integrates four 0.38mm ballpoint inks (Black, Blue, Red, Green) plus a 0.5mm mechanical pencil and replaceable eraser.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSignature Jetstream Hybrid Ink:\u003c\/strong\u003e Low-viscosity oil-based formula flows effortlessly and dries immediately, eliminating ink transfer and smudge marks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwin-Ball Anti-Backflow System:\u003c\/strong\u003e Internal spring-loaded valve maintains consistent ink pressure to prevent tip drying, clumping, and leakage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eErgonomic Textured Rubber Grip:\u003c\/strong\u003e Dense elastomer grip section provides secure, fatigue-free control for precise, miniature handwriting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Uni (Mitsubishi Pencil)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e MSXE5-1000-38\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBallpoint Inks Included:\u003c\/strong\u003e Black, Red, Blue, Green (0.38 mm Micro Fine)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMechanical Pencil:\u003c\/strong\u003e 0.5 mm Lead with Concealed Eraser\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRefill Standard:\u003c\/strong\u003e Uni SXR-80-38 (interchangeable with SXR-80-05 \/ SXR-80-07)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGrip:\u003c\/strong\u003e Textured Non-Slip Elastomer Rubber\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Made in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n  \u003ch3\u003eWho is the 0.38mm Jetstream 4+1 best suited for?\u003c\/h3\u003e\n  \u003cp\u003eThe 0.38mm model is tailored specifically for users who write small, detailed text in pocket diaries, dense Japanese planner grids (like Hobonichi or Jibun Techo), and financial ledgers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n  \u003ch3\u003eDoes the 0.38mm tip feel scratchy on paper?\u003c\/h3\u003e\n  \u003cp\u003eUnlike conventional micro-fine ballpoints, Uni’s low-viscosity Jetstream hybrid ink lubricates the ball rotation, ensuring a remarkably smooth glide even at 0.38mm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n  \u003ch3\u003eCan the refills be changed to 0.5mm or 0.7mm later?\u003c\/h3\u003e\n  \u003cp\u003eYes, all Uni SXR-80 multi-pen refills share identical physical dimensions, allowing you to freely mix and match 0.38mm, 0.5mm, and 0.7mm refills in the same pen.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Uni","offers":[{"title":"Black","offer_id":50389424406562,"sku":"MSXE5-1000-38C-1","price":22.77,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":50389424439330,"sku":"MSXE5-1000-38C-2","price":22.77,"currency_code":"USD","in_stock":true},{"title":"Pink","offer_id":50389424472098,"sku":"MSXE5-1000-38C-3","price":22.77,"currency_code":"USD","in_stock":true},{"title":"Champagne","offer_id":50389424504866,"sku":"MSXE5-1000-38C-4","price":22.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/O1CN01yna1sB1vxVg00R7WG__2144846239.webp?v=1789984063","url":"https:\/\/www.xypen.com\/products\/uni-jetstream-4-1-multi-pen-0-38mm-ballpoint-0-5mm-pencil","provider":"XYPen","version":"1.0","type":"link"}