Product Specification:
| Feature | Specification Details |
| Model Number | ST09407SJ |
| Number of Blades | 32 High-precision blades |
| Measurement Range (Inch) | $0.0008" \text{ to } 0.040"$ |
| Measurement Range (Metric) | $0.02 \text{ mm to } 1.00 \text{ mm}$ |
| Material | Hardened Polished Spring Steel |
| Blade Shape | Tapered (for easier insertion into tight gaps) |
| Marking Type | Laser-etched (dual scale: Metric & SAE) |
| Locking Device | Knurled thumb nut to secure blades |