# Utility knife blade Proline 31003 — single replacement blade for utility/box cutter

**URL:** https://aio.lv/en/product--proline-31003--11736566
**Data updated:** 2026-03-08 13:38 (EET)
**Category:** Universal knives
**Manufacturer:** Proline
**Manufacturer code:** 31003
**EAN:** 5903755310033
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 3.99 €
**Prices and availability valid until:** 2026-07-10 23:59
**Price without VAT (21%):** 3.30 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--proline-31003--11736566

## 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

Proline 31003 replacement blade for utility and box cutters, supplied as a single piece. Designed for cutting tasks such as cardboard, paper, plastic and other light materials. Compatible with standard utility knife models that accept disposable or replaceable blades. Useful for workshop, packaging and general-purpose cutting.

## Long description

Proline 31003 replacement blade is a single utility/box cutter blade intended for general-purpose cutting tasks. Supplied individually, the blade fits standard utility knives and disposable cutters that accept replaceable single-edge blades. It is suitable for cutting cardboard, paper, plastic and other light materials in workshop, packaging and everyday applications.
Advantages
The Proline blade offers a precise straight cutting edge and consistent thickness for controlled cuts. Its single-edge design allows safe, simple installation and removal in compatible utility knives. Supplied individually, this replacement blade provides an economical option when only a single spare is required. The blade’s geometry balances sharpness and durability for routine trimming and slicing tasks.
Suitable for
Cutting cardboard and corrugated boxes
Trimming paper and thin plastic sheets
Opening packaging and tape
Light workshop and craft cutting tasks
Replacing worn blades in standard utility/box cutters
Key specifications
Blade type: single replacement blade for utility/box cutter
Material: high-carbon steel (typical for utility blades)
Edge: single straight cutting edge
Thickness options: nominally 0.5 mm and 0.4 mm depending on blade portion
Compatibility: fits standard utility knives that accept replaceable disposable blades
How to use
Ensure the utility knife is compatible with single replacement blades before attempting installation. Retract the knife’s blade holder and remove any old blade safely using pliers or the knife’s removal feature. Insert the Proline 31003 blade into the holder with the cutting edge oriented away from your body, seat it firmly and lock the holder according to the knife manufacturer’s instructions. Extend the blade only as much as needed for the task and always cut away from yourself. After use, retract the blade fully and store spare blades in their original packaging or a designated blade dispenser to avoid accidental injury.
Usage recommendations
For consistent performance, replace the blade at the first sign of dulling or chipping. Use appropriate personal protective equipment such as cut-resistant gloves when changing blades, and dispose of used blades in a puncture-resistant container. Avoid using the blade on hardened materials or metal to prolong its service life.

## Specifications

| Feature | Value |
|---|---|
| Quantity per pack | 1 pc(s) |

## FAQ

### How much does the Utility knife blade Proline 31003 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 — 200 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 Proline 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 Proline 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/11736566/67165333_large.webp