# INSIZE Angle Gauge 75x50 mm KATOWNIK MKSA Class 0, model 4791-75

**URL:** https://aio.lv/en/product--insize-4791-75--11777189
**Data updated:** 2026-03-08 22:46 (EET)
**Category:** Measuring tools
**Manufacturer:** INSIZE
**Manufacturer code:** 4791-75
**EAN:** 6928640317729
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 35.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 29.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--insize-4791-75--11777189

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 08.07.2026 | free |
| Pickup points | 13.07.2026 | 1.99 EUR |
| Courier delivery to door | 13.07.2026 | 4.99 EUR |

## Summary description

INSIZE KATOWNIK 75/50 MKSA Class 0 is a precision angle gauge for inspection and layout tasks. With nominal dimensions 75 x 50 mm and MKSA unit markings, this Class 0 tool provides high accuracy for measuring and verifying right angles in metalworking, machining, assembly and quality control. Suitable for workshop and laboratory use where tight angular tolerances are required.

## Long description

INSIZE Angle Gauge 75x50 mm KATOWNIK MKSA Class 0, model 4791-75 is a precision right-angle reference tool designed for inspection, layout and angular verification in workshops and laboratories. With nominal faces of 75 mm and 50 mm, and MKSA unit graduations, this Class 0 angle gauge delivers tight angular accuracy required for metalworking, machining and quality-control processes where reliable 90° references are needed.
Advantages
The Class 0 calibration level ensures higher accuracy and lower deviation when checking right angles compared with lower classes. The compact 75 x 50 mm size offers a stable reference surface while remaining convenient to position on small workpieces and fixtures. MKSA unit markings allow measurements and comparisons in standard metric units, and the rigid construction minimizes deformation during normal workshop handling.
Suitable for
Inspection and verification of 90° angles on machined parts
Layout and marking for assembly and welding
Quality control in metalworking and manufacturing environments
Laboratory calibration tasks requiring a Class 0 angular reference
Setting up fixtures and jigs for precise alignment
Key specifications
Nominal dimensions: 75 mm × 50 mm
Accuracy class: Class 0
Unit system: MKSA (metric) graduations
Functional type: Right-angle/angle gauge for 90° reference
Intended use: Inspection, layout, verification and alignment
How to use
Place the INSIZE 75×50 angle gauge against the faces to be checked so that both reference edges sit flat on the mating surfaces. Ensure the gauge is free of debris and the workpiece surface is clean before taking measurements. Use visual inspection, feeler gauges or a dial indicator as required to quantify deviation from 90°. For layout tasks, align the gauge edge with marking tools or scribing points to transfer the right-angle reference onto the workpiece.
Usage recommendations
Store the gauge in a protective case or on a clean, dry surface to prevent nicks and corrosion. Calibrate or verify the angle gauge periodically according to your quality-control schedule to maintain Class 0 accuracy. Avoid excessive clamping force or impacts that could distort the reference edges.

## FAQ

### How much does the INSIZE Angle Gauge KATOWNIK 75x50 MKSA Class 0 cost, and is it available for purchase?

The price is 35.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 11 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 08.07.2026 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 INSIZE 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 INSIZE 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/11777189/67167997_large.webp