# Lead Refill Rotring Polymer Leads HB 0.35 mm S0312410

**URL:** https://aio.lv/en/product--rotring-s0312410--1700091
**Data updated:** 2025-12-29 07:47 (EET)
**Category:** Pencils
**Manufacturer:** rotring
**Manufacturer code:** S0312410
**EAN:** 4006856505337
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-14 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--rotring-s0312410--1700091

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 01.07.2026 | free |
| Pickup points | 06.07.2026 | 1.99 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

Rotring Polymer Leads are high-quality lead refills with HB hardness and a thickness of 0.35 mm. Designed for smooth writing and drawing, these leads provide excellent durability and precision. Ideal for artists and students alike, they ensure consistent performance and minimal breakage, making them a reliable choice for all your writing needs.

## Long description

Rotring Polymer Leads HB 0.35 mm (S0312410) are high-polymer mechanical pencil refills with HB hardness and a 0.35 mm diameter. Designed for precise writing and detailed drawing, these leads combine smooth stroke quality with enhanced durability to reduce breakage and provide consistent line performance for everyday use by students, designers and technical illustrators.
Advantages
These 0.35 mm polymer leads offer strong break resistance and even wear, ensuring stable line width and reliable HB tone. Their formulation delivers smooth graphite flow for accurate lines and reduced smudging compared with softer leads. The refills are compatible with mechanical pencils that accept 0.35 mm leads and come from the Rotring S0312410 series for consistent quality.
Suitable for
Technical drawing and drafting
Detailed sketching and illustration
Everyday note-taking and writing
Student assignments and exam work
Key specifications
Brand: rotring
Model / MPN: S0312410
Diameter: 0.35 mm
Hardness: HB
Type: high-polymer mechanical pencil lead
EAN: 4006856505337
How to use
Load the 0.35 mm lead into a compatible mechanical pencil according to the pencil manufacturer's instructions. Advance the lead incrementally while writing or drawing to maintain a consistent line and avoid excessive protrusion that can lead to breakage. Replace leads as needed; store refills in their container to protect them from moisture and mechanical damage.
Usage recommendations
For best results, use these Rotring 0.35 mm HB polymer leads in pencils specified for 0.35 mm refills and apply moderate pressure while drawing to balance line darkness and lead longevity.

## Specifications

### Weight & dimensions

| Feature | Value |
|---|---|
| Thickness | 0.35 mm |

### Features

| Feature | Value |
|---|---|
| Hardness | HB |

## FAQ

### How much does the Lead Refill Rotring Polymer Leads HB cost, and is it available for purchase?

The price is 3.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 28 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. 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 rotring 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 rotring 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

https://aio.lv/img/cache/product/1700091/58052290_large.webp