{"product_id":"pilot-juice-up-04mm-refills-10-pack","title":"Pilot Juice Up 0.4mm Refills 10-Pack","description":"\u003ch2\u003ePilot Juice Up 0.4mm LP3RF Gel Pen Refills (10-Pack Box)\u003c\/h2\u003e\n\u003cp\u003eKeep your favorite writing instruments operating at peak precision with authentic Pilot Juice Up LP3RF-12S4 gel ink refills. Manufactured in Japan, these genuine replacement cartridges feature Pilot's celebrated 0.4 mm Synergy Tip (ST)—an innovative hybrid nib architecture that blends the structural rigidity of a traditional cone with the meticulous line definition of a pipe needle point. Charged with ultra-fine, water-resistant pigment gel ink, each cartridge delivers vibrant, crisp line strokes with minimal friction and zero railroading, making them an indispensable supply for bullet journaling, complex mathematical notations, detailed drafting, and daily archival note-taking.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrecision 0.4mm Synergy ST Tip:\u003c\/strong\u003e Delivers needle-point precision with reinforced conical strength to eliminate tip bending under firm downward pressure.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eArchival-Grade Pigment Gel Ink:\u003c\/strong\u003e Formulated for rapid drying, deep color saturation, and dependable smudge resistance across varied paper stocks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDirect Factory 10-Pack Value:\u003c\/strong\u003e Boxed set of 10 individually sealed refills guarantees factory-fresh performance and extended shelf longevity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeamless Pilot Compatibility:\u003c\/strong\u003e Designed specifically for Pilot Juice Up retractable gel pens while fitting multiple compatible Pilot pen bodies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConsistent Flow Engineering:\u003c\/strong\u003e Specialized internal capillary feed prevents skipping, blobbing, and drying out even during high-speed handwriting.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PILOT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e Juice Up Refill\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e LP3RF-12S4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Size:\u003c\/strong\u003e 0.4 mm (Extra Fine)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTip Architecture:\u003c\/strong\u003e Synergy Tip (ST)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInk Chemistry:\u003c\/strong\u003e Water-resistant pigment gel ink\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 10 refills per box\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cdl\u003e\n  \u003cdt\u003e\u003cstrong\u003eWhich pens are compatible with the Pilot LP3RF-12S4 refill?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eThese refills are the direct original replacement for Pilot Juice Up gel pens (including LJP-20S4, LJP-20S3, and LJP-20S5 bodies), and also fit several standard Pilot retractable gel pen models with matching barrel lengths.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eHow do these refills protect against drying out before use?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eEach individual refill is factory-sealed inside a moisture-barrier pouch and features a protective silicone wax tip seal that you remove just before installing into your pen.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eCan I use a 0.4mm refill in a pen that originally came with a 0.5mm tip?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eYes, Pilot Juice Up pen barrels share identical internal dimensions across 0.3 mm, 0.4 mm, and 0.5 mm variants, allowing complete interchangeability between tip sizes.\u003c\/dd\u003e\n  \u003cdt\u003e\u003cstrong\u003eWhat is the customer service and cancellation policy?\u003c\/strong\u003e\u003c\/dt\u003e\n  \u003cdd\u003eSupport inquiries are managed post-purchase via szjyf@outlook.com. Full refunds are available anytime prior to shipment dispatch confirmation.\u003c\/dd\u003e\n\u003c\/dl\u003e","brand":"PILOT","offers":[{"title":"Black","offer_id":69513107406882,"sku":"PILOT-REFILL-LP3RF-12S4","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":69513107439650,"sku":"PILOT-REFILL-LP3RF-12S5","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Blue","offer_id":69513107472418,"sku":"PILOT-REFILL-LP3RF-12S6","price":24.0,"currency_code":"USD","in_stock":true},{"title":"Navy","offer_id":69513107505186,"sku":"PILOT-REFILL-LP3RF-12S7","price":24.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0902\/3045\/6354\/files\/1793251334408--747046574_91c35773-a54c-4772-8695-1e9e72af80ed.jpg?v=1793252198","url":"https:\/\/www.xypen.com\/products\/pilot-juice-up-04mm-refills-10-pack","provider":"XYPen","version":"1.0","type":"link"}