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ITP Straight Styli - Type A - Ruby Ball - M3 Thread x 52.5mm Overall Length - TKM305004052
| Styli Type | Type A |
| Thread Size | M3 |
| Ball Diameter (DK) | 5 |
| Overall Length (L) | 52.5 |
| Shank Diameter (DG) | 4 |
| Measuring Length (ML) | 45 |
Learn more about Klarna
The ITP Straight Styli - Type A - Ruby Ball is a precision touch stylus designed for metrology and inspection tasks. With a ceramic stem for lightness and rigidity, paired with a high-quality ruby ball, it delivers reliable, repeatable contact for everyday measurement work.
- Stem material: High-performance ceramics provide a very light yet rigid support, enhancing probing accuracy.
- Ruby ball sizes: Premium ruby contact balls available from Ø3.0 mm to Ø8.0 mm to match feature geometry.
- Thread: M3 thread at the top ensures secure mounting to compatible probe assemblies.
- Overall length: 52.5 mm total length for comfortable reach in confined inspection areas.
- Intended use: Straight stylus optimized for everyday standard usage in precision measurement and inspection workflows.
- Customization: Additional dimensions can be requested via the configurator or by email.
This stylus combination—light ceramic stem and hard ruby ball—helps minimize inertial effects during probing, while delivering a durable, smooth contact surface that supports consistent measurements across repeated tasks. The Type A design offers dependable mounting and compatibility with standard probe systems, making it suitable for electronics, automotive, plastics, and general manufacturing metrology. For best results, select the ruby ball diameter that aligns with the feature size you’re inspecting, and use the configurator or email to explore any tailored dimensions.
| Styli Type | Type A |
| Thread Size | M3 |
| Ball Diameter (DK) | 5 |
| Overall Length (L) | 52.5 |
| Shank Diameter (DG) | 4 |
| Measuring Length (ML) | 45 |
| Neck Diameter (DS) | 2.5 |
| Stem Material | ceramic |
| Base Material | stainless steel |
| Prob Ball Material | ruby |
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.
