4" Brass Sliding Caliper, 100 mm, Notched Jaws for Jewellery and Watch Measurement, Gem and Bead Gauge
£9.99
Skip to product information
SKU: QN-51T2-8F07
4" Brass Sliding Caliper, 100 mm, Notched Jaws for Jewellery and Watch Measurement, Gem and Bead Gauge
£9.99
In stock — dispatched from the UK
Order by 2pm UK time, Mon–Fri — we aim to dispatch same day
Free UK delivery
30-day returns
Secure checkout
UK registered
Free UK deliveryOn every order
Same-day dispatch targetOrder before 2pm UK time, Mon–Fri
30-day returnsUnused, original packaging
For jewellers and watchmakers needing reliable inside-diameter measurements, this UK-stocked brass sliding caliper is a workshop staple. Its non-magnetic construction and notched jaws are ideal for accurately sizing rings, bezels, and watch components without risk to delicate movements.
Key features
- Solid brass construction prevents magnetising watch movements or scratching delicate workpieces.
- Notched jaws are specifically shaped for taking accurate inside-diameter measurements.
- Dual metric and imperial scales are clearly etched onto the body for easy reading.
- A knurled brass thumbscrew locks the sliding jaw securely for transferring measurements.
- Provides a full measuring range of 100mm / 4 inches for common bench tasks.
Who it's for
A practical measuring tool for UK bench jewellers, horologists, and clockmakers. Also favoured by model makers and engineers who require a non-marring, non-magnetic caliper for working with delicate materials and components.
Specifications
- Material: Solid Brass
- Measuring Range: 100mm / 4 inches
- Scales: Metric (mm) and Imperial (inches)
Free UK delivery · Same-day dispatch target for orders before 2pm Mon–Fri · 30-day returns
Is this the right tool for you?
Best for
- UK bench jewellers sizing rings and bezels
- Horologists measuring watch components without magnetism
- Clockmakers requiring non-marring internal measurements
- Model makers working with delicate, non-ferrous materials
Not for
- High-precision engineering where digital resolution is critical
- Measuring outside diameters with maximum accuracy
- Industrial environments requiring hardened steel tools
How this compares
| 4" Brass Sliding Caliper,... | Alternatives | |
|---|---|---|
| Material | Solid brass construction | Standard stainless steel or plastic |
| Jaw Design | Notched for accurate inside diameter measurements | Standard flat jaws for general purpose use |
| Magnetic Properties | Non-magnetic, safe for delicate movements | Magnetic, unsuitable for watchmaking |
| Stock Location | UK stock, dispatched from the UK; same-day dispatch target for orders before 2pm Mon–Fri | Direct import, longer lead times |
