# Permanent marker Rystor FS-4/A, black ink, 0.4 mm tip

**URL:** https://aio.lv/en/product--rystor-436-000--11795635
**Data updated:** 2026-03-09 07:27 (EET)
**Category:** Markers
**Manufacturer:** Rystor
**Manufacturer code:** 436-000
**EAN:** 5907548918925
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Rystor FS-4/A is a permanent marker with black ink and a 0.4 mm tip for fine, durable lines. Designed for marking on paper, cardboard and many non-porous surfaces, it provides consistent ink flow and lasting results. Compact and precise, suitable for labeling, technical drawings, office use and everyday marking tasks.

## Long description

Rystor FS-4/A is a permanent marker with black ink and a 0.4 mm tip designed for precise, durable marking. It delivers fine, consistent lines suitable for labeling, technical drawings and general office or everyday marking tasks on porous and many non-porous surfaces. The compact barrel and reliable ink flow make it practical for detailed work where a slim line and long-lasting readability are required.
Advantages
The fine 0.4 mm tip produces sharp, controlled strokes while the permanent black ink provides good contrast and resistance to fading. The marker offers steady ink flow for uninterrupted writing and a compact design that is easy to handle and store. Its formulation allows marking on paper, cardboard and various non-porous materials, delivering consistent results for repetitive tasks.
Suitable for
Labeling documents, folders and parcels
Technical and architectural drawings requiring fine lines
Office use for notes, forms and inventory marking
Everyday marking on paper, cardboard and some non-porous surfaces
Key specifications
Ink color: black
Tip size: 0.4 mm (fine point)
Tip type: hard fine nib for precise lines
Line width: approximately fine/0.4 mm
Intended surfaces: paper, cardboard and many non-porous materials
Body: compact, pen-style barrel for handheld use
How to use
Remove the cap and press the tip lightly to start ink flow if necessary. Hold the marker at a shallow angle for thin continuous lines or more upright for slightly thicker strokes. Use steady pressure and glide the tip smoothly across the surface. Replace the cap securely after use to prevent drying. Test on a small area when working on coated or sensitive surfaces to ensure compatibility.
Usage recommendations
Store horizontally or with the cap on to maintain consistent ink flow. Avoid prolonged exposure to heat and direct sunlight to preserve ink integrity. For best results on non-porous surfaces, allow extra drying time and verify adhesion before handling.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Rystor products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Rystor service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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