Please log in here to access all benefits, including multibuy discounts and faster checkouts.
ITP Straight Styli - Type A - Ruby Ball - M4 Thread x 78mm Overall Length - TKM406007075
| Styli Type | Type A |
| Thread Size | M4 |
| Ball Diameter (DK) | 6 |
| Overall Length (L) | 78 |
| Shank Diameter (DG) | 7 |
| Measuring Length (ML) | 60 |
Learn more about Klarna
ITP Straight Stylus Type A with ruby contact ball is built for precise, everyday probing and measurement tasks. Designed for technicians and machine operators, this lightweight, rigid stylus delivers dependable contact in a compact 78 mm overall length.
- Model: Type A Straight Stylus with ruby ball
- Material: Ceramic stem for low weight and high rigidity
- Ruby ball diameter: Available with ruby contact balls in the Ø6.0 mm to Ø10.0 mm range
- Thread: M4 mounting thread for secure attachment
- Overall length: 78 mm
- Holder feature: SW5.5 spanner-width holder for quick, tool-assisted installation
- Custom sizes: Other sizes available on request via configurator or email
This stylus pairs a lightweight ceramic stem with a durable ruby contact ball, reducing inertia while maintaining rigidity for repeatable, high-precision readings. The 78 mm length provides reach into tight work areas, while the M4 thread ensures compatibility with standard holders across many inspection setups. The SW5.5 holder feature speeds installation and helps keep the stylus securely aligned during use. For projects requiring slightly different ball diameters or lengths, other sizes can be configured or requested, ensuring you get a stylus tailored to your measuring workflow.
| Styli Type | Type A |
| Thread Size | M4 |
| Ball Diameter (DK) | 6 |
| Overall Length (L) | 78 |
| Shank Diameter (DG) | 7 |
| Measuring Length (ML) | 60 |
| Neck Diameter (DS) | 4 |
| 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.
