Dspiae Single Blade Nipper # ST-A3.0

The DSPIAE ST-A 3.0 is a premium, ultra-fine single-blade nipper designed for serious scale modellers seeking the cleanest possible sprue cuts.

Engineered with high-end forging, precision grinding, and DSPIAE’s signature stepped blade design, the ST-A 3.0 delivers a mirror-smooth finish and exceptional durability.

Perfect for advanced builders or anyone who wants professional-grade results straight from the sprue.

Key Features
Ultra Fine Single Blade Cutting System
The ST-A 3.0 uses an ultra-sharp, single-blade design that produces exceptionally clean cuts with minimal stress marks. Ideal for delicate parts and precision work, this design significantly improves build quality and reduces sanding time.

High-End Forged Steel Construction
Manufactured from a high-grade formulated steel alloy, the nipper body undergoes multiple forging and heat-treatment stages, achieving a cutting edge hardness of 58–64 HRC. This ensures long-lasting performance and blade stability.

Precision-Ground Mirror Edge
The blade is refined on specialised equipment to achieve a mirror-smooth finish. This reduces resistance, improves control, and ensures a flawless cutting experience.

Stepped Blade Engineering
The cutting blade is intentionally set slightly lower than the blunt end to eliminate misalignment forces when cutting sprue gates.
The blunt end is fractionally higher, guiding the cutting blade into perfect position and protecting against bending or edge damage.
This design provides consistent, clean cuts while extending blade life.

Outstanding Durability
DSPIAE’s tests demonstrate 50,000+ smooth cuts on 3 mm plastic rod, proving exceptional endurance for long-term hobby use.

Updated Premium Packaging
The ST-A 3.0 includes DSPIAE’s newly designed storage system featuring:

Rigid ABS case with magnetic locking
Sand-blasted matte finish for an elegant look and soft touch
Flocked interior lining for a high-end feel and secure storage
Hand-stitched cowhide protective sheath with snap-lock design
This enhances both presentation and tool longevity.

Protective Leather Case
Made from high-grade first-layer cowhide, the protective sheath is punched and stitched with precision. The snap-lock keeps the nipper secure, protecting the blade from accidental drops or contact damage.

Cut Quality Comparison
Double-blade nippers typically leave distortions or angled cut marks
ST-A 3.0 produces a near-perfect, flat cut surface, reducing cleanup and improving finish quality
The difference is immediately noticeable on real plastic rod tests.

Precautions for Use
To preserve the blade:

- Do not cut plastic sheets (risk of misalignment)
- Do not cut clear runners or hard ABS runners
- Do not use the blade tip for cutting
- Do not twist, rotate or change angles while cutting runners

- Always use the middle section of the blade
- Cut at sprue gates — not through the main runner
- Keep cutting angle straight for best results

The ST-A is a precision tool and must be treated carefully for optimal lifespan.

Tips for Best Cutting Results
Cut sprue attachments, not runners
Harder runners shorten tool life, especially clear, ABS, or resin runners.
Place the blunt end against the part
Keep the blade parallel to the part surface for the cleanest finish.
Cut vertically to achieve a smooth joint and reduce the need for secondary trimming.
For surrounded sprue joints
A secondary cleanup with a hobby knife or fine files may be required due to the stepped-blade design.

Daily Care & Maintenance
Avoid high humidity environments
Do not immerse in water
Wipe moisture immediately if present
Apply anti-rust or protective grease regularly
Keep the tool clean and store in its protective case
Use the included cleaning cloth to maintain the blade and body
Proper maintenance ensures long-term cutting quality.

Included in the Package
ST-A 3.0 Single-Blade Nipper ×1
Premium ABS Storage Case ×1
Cowhide Protective Sheath ×1
Set Screw Adjusting Wrench ×1
Cleaning Cloth ×1