# Mechanical graphite refill leads KOH-I-NOOR 4390 7×7 mm, pack of 6

**URL:** https://aio.lv/en/product--koh-i-noor-429836--11757071
**Data updated:** 2026-03-08 15:55 (EET)
**Category:** Pencils
**Manufacturer:** KOH-I-NOOR
**Manufacturer code:** 429836
**EAN:** 8593539167150
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 8.49 €
**Prices and availability valid until:** 2026-07-31 23:59
**Price without VAT (21%):** 7.02 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--koh-i-noor-429836--11757071

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.89 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Pack of 6 KOH-I-NOOR 4390 graphite leads for mechanical pencils, each lead sized 7×7 mm. Designed for drawing, sketching and technical drafting, these cylindrical graphite refills fit compatible holders and offer straightforward replacement. Suitable for artists, students and professionals who need spare leads for regular pencil use and detailed work.

## Long description

Pack of 6 KOH-I-NOOR 4390 graphite refill leads for mechanical pencils, each lead sized 7×7 mm. These cylindrical graphite refills are designed for drawing, sketching and technical drafting, and they fit compatible mechanical holders that accept 7×7 mm leads. The set supplies replacement leads for regular use and for detailed work, offering an economical option for artists, students and professionals who require consistent graphite quality and straightforward lead replacement.
Advantages
These KOH-I-NOOR leads deliver uniform graphite density and smooth application across paper surfaces. The 7×7 mm size provides stable insertion in compatible holders, reducing wobble and enabling precise strokes. Supplied as a pack of six, the refills are convenient to store and replace, ensuring uninterrupted use during drawing sessions or drafting tasks.
Suitable for
 Freehand drawing and sketching
 Technical drafting and architectural sketches
 Schoolwork and student practice
 Detailing and shading in illustrations
Key specifications
 Quantity: 6 leads per pack
 Material: graphite
 Shape and size: cylindrical, 7×7 mm
 Compatibility: holders accepting 7×7 mm graphite leads
 Intended use: drawing, sketching, technical drafting
How to use
Remove an empty or worn lead from the mechanical holder according to the holder's instructions, then insert a new 7×7 mm KOH-I-NOOR lead until it seats securely. Adjust the holder mechanism to expose the required working length of lead. Use steady pressure and appropriate paper grade for best results, and replace the lead when lines become faint or the tip wears down to maintain consistent line quality.
Usage recommendations
Store leads in a dry, stable container to prevent dusting and mechanical damage. For fine detail work, pair these leads with a holder that provides a firm grip and minimal play; for broader shading, use multiple strokes and vary pressure to achieve the desired tone.

## FAQ

### How much does the KOH-I-NOOR 4390 graphite leads 7×7 mm, 6 pcs cost, and is it available for purchase?

The price is 8.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 27 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 22.07.2026 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 KOH-I-NOOR 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 KOH-I-NOOR 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/11757071/67135128_large.webp