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24-150mm Digital Inside Point Caliper - 1121 Series (Insize)
| Range (mm) | 24-150 |
| A | 5 |
| B | 12 |
| C | 16 |
| Accuracy | ±0.04mm |
| Resolution | 0.01mm/0.0005 |
Learn more about Klarna
The Insize 1121 Digital Inside Point Vernier Caliper is a precision tool designed to measure the inside diameter of grooves with clear, quick readings. It’s ideal for machinists, inspectors, engineers, and hobbyists who need reliable, repeatable inside measurements for shafts, sleeves, and groove profiles.
Manufactured from stainless steel for durability in busy shop environments, it provides a long tool life under routine use. The digital display delivers measurements to 0.01 mm (0.0005 in), helping you verify tight tolerances at a glance. When used with the optional SPC data output, you can capture measurements for quality records, with a measurement range that can reach up to 300 mm.
- 0.01 mm (0.0005 in) digital resolution: Rapid, easy-to-read inside measurements for grooves and bores with reduced parallax error.
- Rugged stainless steel construction: Built to resist wear and corrosion, delivering dependable performance and long tool life in demanding environments.
- Optional SPC data output and extended range: With the SPC data cable option, capture measurements for quality logs and automation; reach up to 300 mm when configured with the accessory, plus convenient on/off, set, mm/in, and preset controls with automatic power-off for battery efficiency. Optional accessories include depth stop (code 6143) and data output cable (code 7302-SPC5A).
This digital inside point caliper helps streamline your workflow by delivering accurate inside-diameter readings quickly, supporting precise QC checks, and enabling easy data capture for traceability. Its durable build and straightforward controls make it a reliable staple for shop floors, labs, and workshops alike.
| Range (mm) | 24-150 |
| A | 5 |
| B | 12 |
| C | 16 |
| Accuracy | ±0.04mm |
| Resolution | 0.01mm/0.0005 |
| Read Out | Digital |
| Data Output | Yes |
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: Digital Inside Point Calipers - 1121 Series (Insize)
View full collection →You are viewing 1121-150A. Click any other SKU to view its full details.
| Product SKU | Range (mm) | Accuracy | Resolution | Price | Stock | Order |
|---|---|---|---|---|---|---|
| 1121-150A Viewing | 24-150 | ±0.04mm | 0.01mm/0.0005 | £184.80 | 4-5 days | |
| 1121-3001A | 50-300 | ±0.06mm | 0.01mm/0.0005 | £351.23 | 4-5 days | |
| 1121-200A | 25-200 | ±0.04mm | 0.01mm/0.0005 | £196.28 | 4-5 days |
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