Dispatch Hours
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
- Mon – Thurs8:00 – 17:00
- Friday8:00 – 16:30
- Sat & SunClosed
The Insize 3530 Digital Point micrometer for measuring the web thickness of drills, small grooves and keyways. With ratchet stop and carbide measuring faces create a durable, ware resistant tool from machine shop wear. With optonal data output sizes range up to 100mm.

Click any SKU to view full product details, specifications and datasheets.
| Product SKU | Range (mm) | Range (Inch) | Accuracy | Price | Stock | Order |
|---|---|---|---|---|---|---|
| 3530-25A | 0-25 | 0-1 | ±0.004mm | £192.83 | 4-5 days |
|
| 3530-25BA | 0-25 | 0-1 | ±0.004mm | £254.82 | 4-5 days |
|
| 3530-50A | 25-50 | 1-2 | ±0.004mm | £282.37 | 4-5 days |
|
| 3530-75A | 50-75 | 2-3 | ±0.005mm | £303.03 | 4-5 days |
|
| 3530-100A | 75-100 | 3-4 | ±0.005mm | £328.28 | 4-5 days |
|
| 3530-50BA | 25-50 | 1-2 | ±0.004mm | £278.92 | 4-5 days |
|
| 3530-75BA | 50-75 | 2-3 | ±0.005mm | £304.17 | 4-5 days |
|
| 3530-100BA | 75-100 | 3-4 | ±0.005mm | £328.28 | 4-5 days |
|
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Fast dispatch, clear delivery options and a friendly technical team on the end of the phone.
Orders dispatched Monday to Friday between 8am and 5pm (4:30pm on Fridays).
| Service | Cost |
|---|---|
| Royal Mail Tracked 24 | £5.90 |
| DPD Standard Next Day | £8.00 |
| Royal Mail Special Delivery by 1pm | £12.50 |
| DPD Saturday Delivery | £25.00 |
Saturday delivery available on orders placed before 4pm Friday. T&Cs and geographical exclusions apply (Republic of Ireland, Northern Ireland, Scottish Highlands, Channel Islands & others) — see our delivery page for full details.
If an item isn't right, sending it back is simple and hassle-free.
Read our returns policy →Our specialist team can advise on tooling choice, specifications and compatibility.
01732 887334 info@protool-ltd.co.uk