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1-2" Imperial Outside Micrometer - 3203 Series (Insize)
| Range (Inch) | 1-2 |
| Setting Ring | 287.5mm (optional) |
| l | 2.244 |
| a | 0.551 |
| b | 1.496 |
| Accuracy | ±.00015 |
Learn more about Klarna
The 1-2" Imperial Outside Micrometer from Insize, part of the 3203 Series, is a precision tool designed for engineers, machinists, and workshop professionals who measure outside diameters with confidence. It’s the best selling Insize micrometer for everyday gauging tasks, delivering reliable, repeatable readings from 1" to 2" with a crisp, easy-to-read scale.
- 0.0001" graduation for precise readings: Offers fine resolution so you can verify tight tolerances quickly and with consistent results, helping you reduce rework and speed up inspections.
- Carbide measuring faces for longer tool life: Built to resist wear from frequent use, maintaining accuracy over time and standing up to the demands of a busy machine shop.
- Includes setting standards (except 0-1"): Enables fast, repeatable setup and quick verification of measurements, improving consistency across parts and batches.
Designed for reliable performance across a range of everyday measuring tasks, this micrometer helps streamline workflows, minimize downtime, and deliver trustworthy results—from routine gauging to precision fitting. Its sturdy construction and precise 0.0001" Readability provide the confidence you need for quality control and accurate part inspection.
| Range (Inch) | 1-2 |
| Setting Ring | 287.5mm (optional) |
| l | 2.244 |
| a | 0.551 |
| b | 1.496 |
| Accuracy | ±.00015 |
| Read Out | Analogue |
| mm or Inch | inch |
| Data Output | No |
| Individual or Set | Individual |
| Graduation | 0.0001 |
What time are Protool open?
We are open Monday to Friday between 8:30am and 5pm.
Do you offer Free Next Day delivery?
Yes! We offer Free Next Day delivery via Royal Mail Tracked 24 on all orders over £50 ex VAT*. We also offer Free DPD Local Next Day delivery on all orders over £100 ex VAT*.
We also offer the following:
- Royal Mail Tracked 24 — £5.90 (FREE on orders over £50 ex VAT*). Order before 4:30pm for next day delivery. No signature required.
- DPD Local Next Day — £8.00 (FREE on orders over £100 ex VAT*). Standard next day delivery to UK mainland addresses.
- Royal Mail Special Delivery — £12.50. Guaranteed delivery before 1pm the next working day.
- DPD Saturday Delivery — £25.00. Must be ordered on Friday before 4pm. Pre-12pm delivery.
For delivery to Scottish Highlands & Islands, Northern Ireland, Republic of Ireland, or overseas locations, additional charges apply. Please see our delivery page for full details, or call us on 01732 887 334.
*T's & C's and exclusions apply. Please see our delivery page for more information on all our services.
Full Range: Imperial Outside Micrometers - 3203 Series (Insize)
View full collection →You are viewing 3203-2A. Click any other SKU to view its full details.
| Product SKU | Range (Inch) | Accuracy | Price | Stock | Order |
|---|---|---|---|---|---|
| 3203-1A | 0-1 | ±.00015 | £27.89 | 4-5 days | |
| 3203-2A Viewing | 1-2 | ±.00015 | £31.45 | 4-5 days | |
| 3203-3A | 2-3 | ±.00020 | £36.96 | 4-5 days | |
| 3203-4A | 3-4 | ±.00020 | £41.32 | 4-5 days | |
| 3203-5A | 4-5 | ±.00025 | £54.75 | 4-5 days | |
| 3203-6A | 5-6 | ±.00025 | £62.10 | 4-5 days | |
| 3203-7A | 6-7 | ±.00028 | £81.04 | 4-5 days | |
| 3203-8A | 7-8 | ±.00028 | £84.94 | 4-5 days | |
| 3203-9A | 8-9 | ±.00031 | £91.60 | 4-5 days | |
| 3203-10A | 9-10 | ±.00031 | £102.16 | 4-5 days | |
| 3203-11A | 10-11 | ±.00035 | £113.18 | 4-5 days |
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