# Spirit level Proline 5151940, 400 mm, 2 vials, aluminum frame

**URL:** https://aio.lv/en/product--proline-5151940--10784370
**Data updated:** 2026-03-12 10:12 (EET)
**Category:** Measuring tools
**Manufacturer:** Proline
**Manufacturer code:** 5151940
**EAN:** 5903755151940
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 7.49 €
**Prices and availability valid until:** 2026-07-11 23:59
**Price without VAT (21%):** 6.19 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--proline-5151940--10784370

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 19.06.2026 | free |
| Pickup points | 26.06.2026 | 1.99 EUR |
| Courier delivery to door | 26.06.2026 | 4.99 EUR |

## Summary description

Proline 5151940 spirit level, 400 mm length with two vials, provides horizontal and vertical alignment for construction and DIY tasks. Lightweight aluminum frame ensures rigidity and durability while the two acrylic vials enable quick bubble-based leveling. Suitable for installing fixtures, carpentry, tiling and general measuring applications where straightness and plumb are required.

## Long description

Spirit level Proline 5151940 is a 400 mm measuring tool with two vials for horizontal and vertical alignment. It has an aluminium body that provides rigidity and light weight for routine leveling tasks in construction and DIY projects.
Advantages
The aluminium profile ensures durability and resistance to deformation while keeping the tool lightweight. Two visible vials — one for horizontal (90°) and one for vertical (0°) — allow quick and accurate alignment. The 400 mm length offers a balance between portability and working span for medium-sized surfaces.
Suitable for
Checking horizontality and verticality of wall fixtures
Aligning shelves, cabinets and frames
Basic construction and renovation tasks
DIY projects requiring straight and level installation
Key specifications
Brand: Proline
Model / MPN: 5151940
EAN: 5903755151940
Length: 400 mm
Body material: aluminium
Vials: 2 (horizontal and vertical)
How to use
Place the spirit level on the surface to be checked and read the position of the bubble in the appropriate vial. For horizontal checks, use the horizontal vial; for vertical checks, use the vertical vial. Adjust the object until the bubble centers between the vial markings. For longer spans, measure from multiple points along the surface to ensure consistent alignment.
Usage recommendations
Store the level on a flat surface or hang it by any mounting hole if present; avoid dropping or bending the aluminium body. Clean the vials and body after use to maintain visibility and accuracy.

## FAQ

### How much does the Spirit level Proline 5151940 400 mm cost, and is it available for purchase?

The price is 7.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 208 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 19.06.2026 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/10784370/60034055_large.webp