Marui Keiki MP‑101 Precision Micro Protractor
The Marui Keiki MP‑101 is a high‑precision micro protractor designed for accurate angular layout and inspection. The micrometer‑adjustable head allows extremely fine angular adjustments, while the vernier scale provides clear, repeatable readings. This tool is widely used in machining, aerospace, toolmaking, and metrology environments where precise angle control is essential.
The MP‑101 includes multiple blades for measuring internal angles, external angles, bevels, and complex setups. Marui Keiki’s micro protractors are known for their smooth mechanics, crisp graduations, and long‑term workshop durability.
Brand Information
Marui Keiki (Japan) A respected Japanese manufacturer of precision metrology instruments, known for micro‑protractors, angle tools, and layout instruments used in professional machining and inspection.
Features and Performance
- Micrometer‑adjustable vernier head — Fine angular resolution for precision setups.
- Clear dial scale — Easy‑to‑read graduations for accurate angle measurement.
- Multiple blades — Straight, bevel, and square blades for versatile layout work.
- Rigid construction — Stable body ensures consistent angular alignment.
- Ideal for — Machining, jig building, toolmaking, inspection, and layout work.
- Japanese build quality — Durable, accurate, workshop‑ready.
Included
• 1 × Marui Keiki MP‑101 Micro Protractor
• Blades / attachments (as shown)
• Storage case
Specifications
| Feature | Specification |
|---|---|
| Brand | Marui Keiki |
| Model | MP‑101 |
| Type | Precision Micro Protractor |
| Adjustment | Micrometer‑vernier head |
| Scale | Dial + vernier |
| Construction | Hardened steel body + blades |
| Included Items | Protractor + blades + case (if shown) |
| Country of Origin | Japan |
Keywords
Marui Keiki MP‑101; micro protractor; precision angle protractor; Japanese measuring tool; machinist protractor; workshop metrology instrument; angular inspection tool.
