Please log in here to access all benefits, including promotional discounts and faster checkouts.
50-300mm Digital Inside Point Caliper - 1121 Series (Insize)
Learn more about Klarna
Description
The Insize 1121 Digital Inside Point Vernier Caliper is a precision tool designed to measure the inside diameter of grooves and bores with clear, easy-to-read results. Crafted from stainless steel for long tool life and reliable performance in busy machine shops, it delivers fast, dependable readings with a 0.01 mm (0.0005 in) resolution. It’s ideal for engineers, machinists, technicians, and hobbyists who need accurate inside measurements without complex setup.
With a measuring range up to 300 mm and a digital display, this caliper combines simplicity with accuracy. Optional SPC data output enables seamless data logging for quality control, while the unit’s automatic power-off helps preserve battery life. The caliper runs on a CR2032 battery and includes practical functions such as mm/inch switching, a preset option, and a robust stainless steel construction ready for daily use.
- Inside groove measurement with high accuracy: Measures internal groove diameter up to 300 mm with 0.01 mm (0.0005 in) resolution for repeatable, dependable readings on grooves and internal features.
- Durable stainless steel construction: Built to withstand everyday shop wear, delivering long tool life and consistently accurate results over time.
- Data capture and setup versatility: Optional SPC data output cable and depth stop enhance integration with QC workflows; easy mm/inch toggle and preset function support quick, repeatable measurements across parts and teams.
This caliper helps you streamline inspection and measurement workflows: fast, accurate inside diameter readings reduce setup time; the digital display minimizes reading errors; and the 0–300 mm range covers a broad range of groove applications. With corrosion-resistant stainless steel and optional data logging capabilities, you can trust this tool for reliable performance day after day, in a wide range of applications from precision gear pockets to bearing grooves.
Part Numbers
- Protool Part Number
- 1121-3001A
- Brand
- Insize
- Category
- Measuring Tool
Delivery
Free UK mainland delivery on orders over £50 ex VAT. In-stock items ordered before 4:30pm are dispatched the same working day. Full delivery information.
Returns
14-day returns on unused stock items in original packaging. Special-order and bespoke tooling is non-returnable. Read our returns policy.
Technical Support
Over 30 years of machining experience behind the counter. Call 01732 887334, Mon–Thurs 8:30–17:30, Fri 8:30–16:30.
Trade Accounts
Credit accounts, contract pricing and scheduled call-off orders available for trade customers. Apply for an account.
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 1121-3001A. Click any other SKU to view its full details.
No products match your filters.
